Yerkes Observatory (English Wikipedia)

"aas-donahue-yerkes-letter" (PDF). American Astronomical Society. July 10, 2018. Archived (PDF) from the original on October 22, 2019. Retrieved March 3, 2020.

archive.org

Starr, Frederick (October 1897). "Science at the University of Chicago". Popular Science Monthly. Vol. 51, no. May to October 1897. pp. 802–803. Retrieved October 25, 2015.
Ley, Willy; Menzel, Donald H.; Richardson, Robert S. (June 1965). "The Observatory on the Moon". For Your Information. Galaxy Science Fiction. pp. 132–150.

artdeciel.com

"Famos Astrograph/Camera Detail". www.artdeciel.com. Retrieved November 2, 2019.

bollerandchivens.com

"24 Inch (0.61 Meters) Telescope for University of Chicago, Yerkes Observatory – Boller and Chivens: A History "Where Precision is a Way of Life" – Boller and Chivens were makers of Telescopes and Precision Instruments". bollerandchivens.com. Archived from the original on May 7, 2019. Retrieved October 24, 2019.
"24-Inch (0.61 meter) Telescope Specifications – Boller and Chivens: A History "Where Precision is a Way of Life" – Boller and Chivens were makers of Telescopes and Precision Instruments". bollerandchivens.com. Archived from the original on October 28, 2020. Retrieved October 24, 2019.

books.google.com

The General History of Astronomy. Cambridge University Press. 1900. ISBN 9780521242561. Archived from the original on July 9, 2021. Retrieved November 4, 2020.
Steinicke, Wolfgang (August 19, 2010). Observing and Cataloguing Nebulae and Star Clusters: From Herschel to Dreyer's New General Catalogue. Cambridge University Press. ISBN 9781139490108. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
The Astronomical Journal. American Institute of Physics. 1900. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
Cruikshank, Dale P.; Sheehan, William (2018). Discovering Pluto: Exploration at the Edge of the Solar System. University of Arizona Press. ISBN 9780816534319. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
"Recent Improvements on the University Campus". The University Record. 13 (1): 29. July 1908. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
"Popular Astronomy". 19 (9). November 1911: 584. Archived from the original on August 20, 2021. Retrieved November 4, 2020. {{cite journal}}: Cite journal requires |journal= (help)
Gillespie, Richard (November 1, 2011). The Great Melbourne Telescope. Museum Victoria. ISBN 9781921833298. Archived from the original on August 21, 2021. Retrieved November 4, 2020.

caltech.edu

astro.caltech.edu

"The 200-inch Hale Telescope". www.astro.caltech.edu. Archived from the original on April 20, 2019. Retrieved October 2, 2019.

chicagomaroon.com

"New Group Submits Proposal to Keep Yerkes Open". www.chicagomaroon.com. Archived from the original on September 30, 2018. Retrieved September 30, 2018.
"Original bequest letter for Yerkes Observatory holds up its future". The Chicago Maroon. Archived from the original on May 29, 2019. Retrieved May 28, 2019.

chicagotribune.com

Greg Burns. "Yerkes plan changes focus". Chicago Tribune. Archived from the original on January 8, 2007. Retrieved March 1, 2007.

daviddarling.info

Darling, David. "Yerkes Observatory". www.daviddarling.info. Archived from the original on October 21, 2019. Retrieved October 24, 2019.
Darling, David. "Yerkes Observatory". www.daviddarling.info. Archived from the original on October 21, 2019. Retrieved March 3, 2020.
Darling, David. "Yerkes Observatory". www.daviddarling.info. Archived from the original on October 21, 2019. Retrieved October 22, 2019.

doi.org

Hale, George E. (1896). "Yerkes Observatory University of Chicago, Bulletin No. I." The Astrophysical Journal. 3: 215. Bibcode:1896ApJ.....3..215H. doi:10.1086/140199.
Hale, George E. (1896). "Yerkes Observatory University of Chicago, Bulletin No. I." The Astrophysical Journal. 3: 215. Bibcode:1896ApJ.....3..215H. doi:10.1086/140199.
O'Dell, C. R. (1967). "Yerkes Observatory University of Chicago, Williams Bay, Wisconsin". The Astronomical Journal. 72: 1158. Bibcode:1967AJ.....72.1158O. doi:10.1086/110394.
Krugler, Joel I.; Witt, Adolf N. (1969). "An Alignment Technique for Ritchey-Chrétien Telescopes". Publications of the Astronomical Society of the Pacific. 81 (480): 254. Bibcode:1969PASP...81..254K. doi:10.1086/128768. S2CID 119738670.
Wild, W. J.; Kibblewhite, E. J.; Shi, F.; Carter, B.; Kelderhouse, G.; Vuilleumier, R.; Manning, H. L. (May 31, 1994). "Field tests of the Wavefront Control Experiment". In Ealey, Mark A.; Merkle, Fritz (eds.). Adaptive Optics in Astronomy. Vol. 2201. pp. 1121–1134. Bibcode:1994SPIE.2201.1121W. doi:10.1117/12.176024. S2CID 119806080. Archived from the original on March 15, 2018. Retrieved March 14, 2018.
Ritchey, G. W. (1901). "The Two-Foot Reflecting Telescope of the Yerkes Observatory". The Astrophysical Journal. 14: 217. Bibcode:1901ApJ....14..217R. doi:10.1086/140861.
Morgan, W. W. (1963). "Yerkes Observatory". The Astronomical Journal. 68: 756. Bibcode:1963AJ.....68..756M. doi:10.1086/109213.
Barnard, E. E. (1905). "The Bruce photographic telescope of the Yerkes Observatory". The Astrophysical Journal. 21: 35. Bibcode:1905ApJ....21...35B. doi:10.1086/141188.
Morgan, William Wilson; Keenan, Philip Childs (1973). "Spectral Classification". Annual Review of Astronomy and Astrophysics. 11: 29–50. Bibcode:1973ARA&A..11...29M. doi:10.1146/annurev.aa.11.090173.000333.
Gale, Henry G. (July 1931). "Albert A. Michelson". The Astrophysical Journal. 74 (1): 1–9. Bibcode:1931ApJ....74....1G. doi:10.1086/143320.
Kron, Richard (July 6, 2018). "The scientific legacy of Yerkes Observatory". Physics Today. doi:10.1063/PT.6.4.20180706a. S2CID 240363393. Archived from the original on August 20, 2021. Retrieved October 3, 2019.

glaseducation.org

"Geneva Lake Astrophysics and STEAM". Geneva Lake Astrophysics and STEAM. Archived from the original on September 30, 2018. Retrieved September 30, 2018.

grainger.com

Grainger Editorial Staff (February 8, 2023). "Yerkes Observatory: Restoring the World's Largest Refracting Telescope". Includes photos, video.

harvard.edu

ui.adsabs.harvard.edu

Hale, George E. (1896). "Yerkes Observatory University of Chicago, Bulletin No. I." The Astrophysical Journal. 3: 215. Bibcode:1896ApJ.....3..215H. doi:10.1086/140199.
Hale, George E. (1896). "Yerkes Observatory University of Chicago, Bulletin No. I." The Astrophysical Journal. 3: 215. Bibcode:1896ApJ.....3..215H. doi:10.1086/140199.
O'Dell, C. R. (1967). "Yerkes Observatory University of Chicago, Williams Bay, Wisconsin". The Astronomical Journal. 72: 1158. Bibcode:1967AJ.....72.1158O. doi:10.1086/110394.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved October 24, 2019.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved October 22, 2019.
Krugler, Joel I.; Witt, Adolf N. (1969). "An Alignment Technique for Ritchey-Chrétien Telescopes". Publications of the Astronomical Society of the Pacific. 81 (480): 254. Bibcode:1969PASP...81..254K. doi:10.1086/128768. S2CID 119738670.
Wild, W. J.; Kibblewhite, E. J.; Shi, F.; Carter, B.; Kelderhouse, G.; Vuilleumier, R.; Manning, H. L. (May 31, 1994). "Field tests of the Wavefront Control Experiment". In Ealey, Mark A.; Merkle, Fritz (eds.). Adaptive Optics in Astronomy. Vol. 2201. pp. 1121–1134. Bibcode:1994SPIE.2201.1121W. doi:10.1117/12.176024. S2CID 119806080. Archived from the original on March 15, 2018. Retrieved March 14, 2018.
Ritchey, G. W. (1901). "The Two-Foot Reflecting Telescope of the Yerkes Observatory". The Astrophysical Journal. 14: 217. Bibcode:1901ApJ....14..217R. doi:10.1086/140861.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved March 3, 2020.
Morgan, W. W. (1963). "Yerkes Observatory". The Astronomical Journal. 68: 756. Bibcode:1963AJ.....68..756M. doi:10.1086/109213.
Barnard, E. E. (1905). "The Bruce photographic telescope of the Yerkes Observatory". The Astrophysical Journal. 21: 35. Bibcode:1905ApJ....21...35B. doi:10.1086/141188.
Struve, Otto (1947). "The Yerkes Observatory, 1897–1947". Popular Astronomy. 55: 413. Bibcode:1947PA.....55..413S. Archived from the original on October 30, 2019. Retrieved October 30, 2019.
Morgan, William Wilson; Keenan, Philip Childs; Kellman, Edith (1943). An atlas of stellar spectra, with an outline of spectral classification. The University of Chicago Press. Bibcode:1943assw.book.....M. OCLC 1806249.
Morgan, William Wilson; Keenan, Philip Childs (1973). "Spectral Classification". Annual Review of Astronomy and Astrophysics. 11: 29–50. Bibcode:1973ARA&A..11...29M. doi:10.1146/annurev.aa.11.090173.000333.
Gale, Henry G. (July 1931). "Albert A. Michelson". The Astrophysical Journal. 74 (1): 1–9. Bibcode:1931ApJ....74....1G. doi:10.1086/143320.
Hollis, H. P. (1914). "Large telescopes". The Observatory. 37: 245. Bibcode:1914Obs....37..245H. Retrieved September 8, 2019.

adsabs.harvard.edu

O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved October 24, 2019.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved October 22, 2019.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved March 3, 2020.
Struve, Otto (1947). "The Yerkes Observatory, 1897–1947". Popular Astronomy. 55: 413. Bibcode:1947PA.....55..413S. Archived from the original on October 30, 2019. Retrieved October 30, 2019.

articles.adsabs.harvard.edu

"1901ApJ....14..217R Page 225". Archived from the original on October 22, 2019. Retrieved October 22, 2019.
Hollis, H. P. (1914). "Large telescopes". The Observatory. 37: 245. Bibcode:1914Obs....37..245H. Retrieved September 8, 2019.

huntington.org

hdl.huntington.org

"CONTENTdm". hdl.huntington.org. Archived from the original on November 24, 2020. Retrieved October 3, 2019.

lakegenevanews.net

Carynski, Connor (May 1, 2020). "Foundation celebrates donation and takes ownership of Yerkes Observatory". lakegenevanews.net. Archived from the original on May 2, 2020. Retrieved June 9, 2010.
Williams, Scott (March 7, 2018). "Yerkes Observatory closing after 100 years on lakefront". Lake Geneva News. Retrieved October 13, 2023.
Schultz, Chris (October 9, 2019). "Williams Bay Centennial: A century in story and pictures". Lake Geneva News. Archived from the original on October 21, 2019. Retrieved October 21, 2019.

mtwilson.edu

"VT Snow Solar Telescope". Mount Wilson Observatory. January 29, 2017. Archived from the original on August 20, 2021. Retrieved October 24, 2019.

nps.gov

"National Park Service: Astronomy and Astrophysics (Yerkes Observatory)". www.nps.gov. Archived from the original on March 30, 2021. Retrieved November 3, 2019.

nytimes.com

query.nytimes.com

"New Harvard Telescope: Sixty-Inch Reflector, Biggest in the World, Being Set Up". The New York Times. April 6, 1905. p. 9. Archived from the original on August 10, 2016. Retrieved February 10, 2017.

obspm.fr

"Le télescope de 1 mètre - Observatoire de Paris - PSL Centre de recherche en astronomie et astrophysique". www.obspm.fr. Archived from the original on August 20, 2021. Retrieved March 3, 2020.

olemiss.edu

phy.olemiss.edu

"The Conservation of the Historic Dearborn Telescope" (PDF). phy.olemiss.edu. Archived (PDF) from the original on September 24, 2015. Retrieved October 12, 2019.

scitation.org

physicstoday.scitation.org

Kron, Richard (July 6, 2018). "The scientific legacy of Yerkes Observatory". Physics Today. doi:10.1063/PT.6.4.20180706a. S2CID 240363393. Archived from the original on August 20, 2021. Retrieved October 3, 2019.

semanticscholar.org

api.semanticscholar.org

Krugler, Joel I.; Witt, Adolf N. (1969). "An Alignment Technique for Ritchey-Chrétien Telescopes". Publications of the Astronomical Society of the Pacific. 81 (480): 254. Bibcode:1969PASP...81..254K. doi:10.1086/128768. S2CID 119738670.
Wild, W. J.; Kibblewhite, E. J.; Shi, F.; Carter, B.; Kelderhouse, G.; Vuilleumier, R.; Manning, H. L. (May 31, 1994). "Field tests of the Wavefront Control Experiment". In Ealey, Mark A.; Merkle, Fritz (eds.). Adaptive Optics in Astronomy. Vol. 2201. pp. 1121–1134. Bibcode:1994SPIE.2201.1121W. doi:10.1117/12.176024. S2CID 119806080. Archived from the original on March 15, 2018. Retrieved March 14, 2018.
Kron, Richard (July 6, 2018). "The scientific legacy of Yerkes Observatory". Physics Today. doi:10.1063/PT.6.4.20180706a. S2CID 240363393. Archived from the original on August 20, 2021. Retrieved October 3, 2019.

skyandtelescope.com

Roth, Joshua (December 15, 2004). "Yerkes On the Block". Sky & Telescope. Archived from the original on October 21, 2019. Retrieved October 21, 2019.
"The Not-Quite Closing of Yerkes Observatory". Sky & Telescope. March 16, 2018. Archived from the original on August 20, 2021. Retrieved October 3, 2019.

space.com

Science, Elizabeth Howell 2014-08-16T02:26:07Z; Astronomy. "Yerkes Observatory: Home of Largest Refracting Telescope". Space.com. Archived from the original on November 5, 2019. Retrieved October 24, 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)
Science, Elizabeth Howell 2014-08-16T02:26:07Z; Astronomy. "Yerkes Observatory: Home of Largest Refracting Telescope". Space.com. Archived from the original on November 5, 2019. Retrieved October 2, 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)

spiedigitallibrary.org

Wild, W. J.; Kibblewhite, E. J.; Shi, F.; Carter, B.; Kelderhouse, G.; Vuilleumier, R.; Manning, H. L. (May 31, 1994). "Field tests of the Wavefront Control Experiment". In Ealey, Mark A.; Merkle, Fritz (eds.). Adaptive Optics in Astronomy. Vol. 2201. pp. 1121–1134. Bibcode:1994SPIE.2201.1121W. doi:10.1117/12.176024. S2CID 119806080. Archived from the original on March 15, 2018. Retrieved March 14, 2018.

stjarnhimlen.se

"Largest optical telescopes of the world". stjarnhimlen.se. Archived from the original on February 11, 2021. Retrieved September 8, 2019.

uchicago.edu

astro.uchicago.edu

"Yerkes Observatory – Home". Archived from the original on March 17, 2011. Retrieved April 20, 2003.
"The Department of Astronomy and Astrophysics: A Bit of History". astro.uchicago.edu. Archived from the original on September 9, 2015. Retrieved June 16, 2019.
"Observatory website". Archived from the original on May 14, 2011.
"Yerkes Observatory – 1893 History of Yerkes Observatory". Archived from the original on September 21, 2015. Retrieved October 25, 2015.
"Yerkes Observatory-R & D-HAWC". Archived from the original on November 5, 2015. Retrieved October 25, 2015.
"The Yerkes Observatory Photographic Plates". Archived from the original on May 14, 2011. Retrieved June 10, 2014.
"The Department of Astronomy and Astrophysics | A Bit of History". astro.uchicago.edu. Archived from the original on May 4, 2020. Retrieved March 3, 2020.
"The 40-inch". Archived from the original on February 25, 2009. Retrieved October 2, 2019.

chronicle.uchicago.edu

"Constructive point of view". chronicle.uchicago.edu. Archived from the original on June 12, 2010. Retrieved March 3, 2020.
"Yerkes Observatory: A century of stellar science". chronicle.uchicago.edu. Archived from the original on July 9, 2015. Retrieved October 21, 2019.

photoarchive.lib.uchicago.edu

"Yerkes Observatory : Photographic Archive : The University of Chicago". photoarchive.lib.uchicago.edu. Archived from the original on August 20, 2021. Retrieved October 24, 2019.

www-news.uchicago.edu

"Agreement provides for preservation of historic Yerkes Observatory". www-news.uchicago.edu (Press release). Archived from the original on August 15, 2018. Retrieved October 2, 2019.

lib.uchicago.edu

"Yerkes Observatory Photographs Now Online – The University of Chicago Library News – The University of Chicago Library". www.lib.uchicago.edu. Archived from the original on October 22, 2019. Retrieved October 21, 2019.

ucolick.org

"Mt. Hamilton Telescopes: CrossleyTelescope". www.ucolick.org. Archived from the original on September 2, 2015. Retrieved September 8, 2019.

web.archive.org

"Yerkes Observatory – Home". Archived from the original on March 17, 2011. Retrieved April 20, 2003.
"The Department of Astronomy and Astrophysics: A Bit of History". astro.uchicago.edu. Archived from the original on September 9, 2015. Retrieved June 16, 2019.
"About Yerkes Observatory". www.yerkesobservatory.org. Archived from the original on January 21, 2021. Retrieved February 8, 2021.
"Observatory website". Archived from the original on May 14, 2011.
Carynski, Connor (May 1, 2020). "Foundation celebrates donation and takes ownership of Yerkes Observatory". lakegenevanews.net. Archived from the original on May 2, 2020. Retrieved June 9, 2010.
"The Conservation of the Historic Dearborn Telescope" (PDF). phy.olemiss.edu. Archived (PDF) from the original on September 24, 2015. Retrieved October 12, 2019.
"Yerkes Observatory – 1893 History of Yerkes Observatory". Archived from the original on September 21, 2015. Retrieved October 25, 2015.
The General History of Astronomy. Cambridge University Press. 1900. ISBN 9780521242561. Archived from the original on July 9, 2021. Retrieved November 4, 2020.
Roth, Joshua (December 15, 2004). "Yerkes On the Block". Sky & Telescope. Archived from the original on October 21, 2019. Retrieved October 21, 2019.
"Constructive point of view". chronicle.uchicago.edu. Archived from the original on June 12, 2010. Retrieved March 3, 2020.
Darling, David. "Yerkes Observatory". www.daviddarling.info. Archived from the original on October 21, 2019. Retrieved October 24, 2019.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved October 24, 2019.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved October 22, 2019.
Wild, W. J.; Kibblewhite, E. J.; Shi, F.; Carter, B.; Kelderhouse, G.; Vuilleumier, R.; Manning, H. L. (May 31, 1994). "Field tests of the Wavefront Control Experiment". In Ealey, Mark A.; Merkle, Fritz (eds.). Adaptive Optics in Astronomy. Vol. 2201. pp. 1121–1134. Bibcode:1994SPIE.2201.1121W. doi:10.1117/12.176024. S2CID 119806080. Archived from the original on March 15, 2018. Retrieved March 14, 2018.
"1901ApJ....14..217R Page 225". Archived from the original on October 22, 2019. Retrieved October 22, 2019.
Darling, David. "Yerkes Observatory". www.daviddarling.info. Archived from the original on October 21, 2019. Retrieved March 3, 2020.
O'Dell, C. R. (1969). "Yerkes Observatory, Williams Bay, Wisconsin. Report 1967-1968". Bulletin of the American Astronomical Society. 1: 135. Bibcode:1969BAAS....1..135O. Archived from the original on October 22, 2019. Retrieved March 3, 2020.
Darling, David. "Yerkes Observatory". www.daviddarling.info. Archived from the original on October 21, 2019. Retrieved October 22, 2019.
"24 Inch (0.61 Meters) Telescope for University of Chicago, Yerkes Observatory – Boller and Chivens: A History "Where Precision is a Way of Life" – Boller and Chivens were makers of Telescopes and Precision Instruments". bollerandchivens.com. Archived from the original on May 7, 2019. Retrieved October 24, 2019.
"24-Inch (0.61 meter) Telescope Specifications – Boller and Chivens: A History "Where Precision is a Way of Life" – Boller and Chivens were makers of Telescopes and Precision Instruments". bollerandchivens.com. Archived from the original on October 28, 2020. Retrieved October 24, 2019.
"Yerkes Observatory : Photographic Archive : The University of Chicago". photoarchive.lib.uchicago.edu. Archived from the original on August 20, 2021. Retrieved October 24, 2019.
"VT Snow Solar Telescope". Mount Wilson Observatory. January 29, 2017. Archived from the original on August 20, 2021. Retrieved October 24, 2019.
Steinicke, Wolfgang (August 19, 2010). Observing and Cataloguing Nebulae and Star Clusters: From Herschel to Dreyer's New General Catalogue. Cambridge University Press. ISBN 9781139490108. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
"Yerkes Observatory: A century of stellar science". chronicle.uchicago.edu. Archived from the original on July 9, 2015. Retrieved October 21, 2019.
"Meetings of the AAS: 1897–1906 | Historical Astronomy Division". had.aas.org. Archived from the original on October 22, 2019. Retrieved October 22, 2019.
Struve, Otto (1947). "The Yerkes Observatory, 1897–1947". Popular Astronomy. 55: 413. Bibcode:1947PA.....55..413S. Archived from the original on October 30, 2019. Retrieved October 30, 2019.
"Yerkes Observatory-R & D-HAWC". Archived from the original on November 5, 2015. Retrieved October 25, 2015.
"The Yerkes Observatory Photographic Plates". Archived from the original on May 14, 2011. Retrieved June 10, 2014.
"aas-donahue-yerkes-letter" (PDF). American Astronomical Society. July 10, 2018. Archived (PDF) from the original on October 22, 2019. Retrieved March 3, 2020.
The Astronomical Journal. American Institute of Physics. 1900. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
Science, Elizabeth Howell 2014-08-16T02:26:07Z; Astronomy. "Yerkes Observatory: Home of Largest Refracting Telescope". Space.com. Archived from the original on November 5, 2019. Retrieved October 24, 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)
"The Department of Astronomy and Astrophysics | A Bit of History". astro.uchicago.edu. Archived from the original on May 4, 2020. Retrieved March 3, 2020.
Greg Burns. "Yerkes plan changes focus". Chicago Tribune. Archived from the original on January 8, 2007. Retrieved March 1, 2007.
"New Group Submits Proposal to Keep Yerkes Open". www.chicagomaroon.com. Archived from the original on September 30, 2018. Retrieved September 30, 2018.
"Geneva Lake Astrophysics and STEAM". Geneva Lake Astrophysics and STEAM. Archived from the original on September 30, 2018. Retrieved September 30, 2018.
"Original bequest letter for Yerkes Observatory holds up its future". The Chicago Maroon. Archived from the original on May 29, 2019. Retrieved May 28, 2019.
"Yerkes Observatory". Archived from the original on June 5, 2022. Retrieved October 2, 2022.
"The Not-Quite Closing of Yerkes Observatory". Sky & Telescope. March 16, 2018. Archived from the original on August 20, 2021. Retrieved October 3, 2019.
"Agreement provides for preservation of historic Yerkes Observatory". www-news.uchicago.edu (Press release). Archived from the original on August 15, 2018. Retrieved October 2, 2019.
"Observatory Dr Property Record". Wisconsin Historical Society. January 1, 2012. Archived from the original on October 22, 2019. Retrieved October 22, 2019.
"CONTENTdm". hdl.huntington.org. Archived from the original on November 24, 2020. Retrieved October 3, 2019.
Cruikshank, Dale P.; Sheehan, William (2018). Discovering Pluto: Exploration at the Edge of the Solar System. University of Arizona Press. ISBN 9780816534319. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
Kron, Richard (July 6, 2018). "The scientific legacy of Yerkes Observatory". Physics Today. doi:10.1063/PT.6.4.20180706a. S2CID 240363393. Archived from the original on August 20, 2021. Retrieved October 3, 2019.
Schultz, Chris (October 9, 2019). "Williams Bay Centennial: A century in story and pictures". Lake Geneva News. Archived from the original on October 21, 2019. Retrieved October 21, 2019.
"The Trees at Yerkes Observatory" (PDF). Archived (PDF) from the original on February 13, 2017. Retrieved October 22, 2019.
"Yerkes Observatory Photographs Now Online – The University of Chicago Library News – The University of Chicago Library". www.lib.uchicago.edu. Archived from the original on October 22, 2019. Retrieved October 21, 2019.
"Recent Improvements on the University Campus". The University Record. 13 (1): 29. July 1908. Archived from the original on August 20, 2021. Retrieved November 4, 2020.
"National Park Service: Astronomy and Astrophysics (Yerkes Observatory)". www.nps.gov. Archived from the original on March 30, 2021. Retrieved November 3, 2019.
"Largest optical telescopes of the world". stjarnhimlen.se. Archived from the original on February 11, 2021. Retrieved September 8, 2019.
"The 40-inch". Archived from the original on February 25, 2009. Retrieved October 2, 2019.
"Popular Astronomy". 19 (9). November 1911: 584. Archived from the original on August 20, 2021. Retrieved November 4, 2020. {{cite journal}}: Cite journal requires |journal= (help)
"Le télescope de 1 mètre - Observatoire de Paris - PSL Centre de recherche en astronomie et astrophysique". www.obspm.fr. Archived from the original on August 20, 2021. Retrieved March 3, 2020.
"Mt. Hamilton Telescopes: CrossleyTelescope". www.ucolick.org. Archived from the original on September 2, 2015. Retrieved September 8, 2019.
Gillespie, Richard (November 1, 2011). The Great Melbourne Telescope. Museum Victoria. ISBN 9781921833298. Archived from the original on August 21, 2021. Retrieved November 4, 2020.
"New Harvard Telescope: Sixty-Inch Reflector, Biggest in the World, Being Set Up". The New York Times. April 6, 1905. p. 9. Archived from the original on August 10, 2016. Retrieved February 10, 2017.
"The 200-inch Hale Telescope". www.astro.caltech.edu. Archived from the original on April 20, 2019. Retrieved October 2, 2019.
Science, Elizabeth Howell 2014-08-16T02:26:07Z; Astronomy. "Yerkes Observatory: Home of Largest Refracting Telescope". Space.com. Archived from the original on November 5, 2019. Retrieved October 2, 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)

wi.gov

dnr.wi.gov

"The Trees at Yerkes Observatory" (PDF). Archived (PDF) from the original on February 13, 2017. Retrieved October 22, 2019.

wisconsinhistory.org

"Observatory Dr Property Record". Wisconsin Historical Society. January 1, 2012. Archived from the original on October 22, 2019. Retrieved October 22, 2019.

worldcat.org

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