Alcatraz Island Lighthouse (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Alcatraz Island Lighthouse" in English language version.

refsWebsite

Global rank English rank

4books.google.com

3^rd place

3^rd place

2,716^th place

1,572^nd place

1,079^th place

789^th place

1web.archive.org

1^st place

1^st place

135^th place

105^th place

1nationalmap.gov

420^th place

235^th place

1lighthousefriends.com

low place

low place

books.google.com

Mcshane, M. (1996). Encyclopedia of American Prisons. Taylor & Francis. p. 34. ISBN 9780815313502.
Jones, Ray (2007). The Lighthouse Encyclopedia: The Definitive Reference. Globe Pequot. pp. 34, 87. ISBN 978-0-7627-4578-4. Retrieved September 10, 2012.^{[permanent dead link]}
Champion Jr., Jerry Lewis (2012). Alcatraz Unchained. AuthorHouse. p. 188. ISBN 9781468587531.
Survey, U.S. Coast and Geodetic (1817). United States coast pilot: Pacific Coast. California, Oregon, and Washington. G.P.O. pp. 90–91. ISBN 9781468587531.

ibiblio.org

Rowlett, Russ. "Lighthouses of the United States: Northern California". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved June 9, 2016.

lighthousefriends.com

"Alcatraz Island, CA". lighthousefriends.com. Retrieved September 10, 2012.

nationalmap.gov

edits.nationalmap.gov

"Alcatraz Island Lighthouse". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved September 10, 2012.

nps.gov

nrhp.focus.nps.gov

"NPS Focus". National Register of Historic Places. National Park Service. Archived from the original on July 25, 2008. Retrieved November 14, 2011.

uscg.mil

California Historic Light Station Information & Photography United States Coast Guard. Retrieved 9 June 2016
"Historic Light Station Information& Photography, California". Alcatraz Island Light. Retrieved September 10, 2012.

web.archive.org

"NPS Focus". National Register of Historic Places. National Park Service. Archived from the original on July 25, 2008. Retrieved November 14, 2011.