"Susquehanna Fact Sheet"(PDF). Chesapeake Bay Foundation. April 2005. Diarsipkan dari versi asli(PDF) tanggal March 16, 2007. Diakses tanggal 19 April 2019.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
citizensvoice.com
Skrapits, Elizabeth (March 12, 2011). "Winter flood slams Shickshinny". The Citizens' Voice. Diarsipkan dari versi asli tanggal March 15, 2011. Diakses tanggal March 18, 2011.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
doi.org
Harris, Charles; Kreeger, Danielle; Patrick, Ruth; Palms, John (May 2015). "Twenty-five Years of Environmental Radionuclide Concentrations near a Nuclear Power Plant". Health Physics. 108 (5): 503–513. doi:10.1097/hp.0000000000000266. ISSN0017-9078. PMID25811148.
Simms, William Q. "Two Lights on the Hill". Lighthouse Digest. Diarsipkan dari versi asli tanggal December 25, 2007. Diakses tanggal 2006-12-28.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
loc.gov
lccn.loc.gov
Bartholomew, Ann M.; Metz, Lance E.; Kneis, Michael (1989). Delaware and Lehigh Canals (edisi ke-First). Oak Printing Company, Bethlehem, Pennsylvania: Center for Canal History and Technology, Hugh Moore Historical Park and Museum, Inc., Easton, Pennsylvania. hlm. 1–10. ISBN978-0930973094. LCCN89-25150.
marinersmuseum.org
"John Smith, A Map of Virginia, 1612". www.marinersmuseum.org. Diarsipkan dari versi asli tanggal April 2, 2012. Diakses tanggal September 10, 2011.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapDiarsipkan March 29, 2012, di Wayback Machine., accessed August 8, 2011
nih.gov
ncbi.nlm.nih.gov
Harris, Charles; Kreeger, Danielle; Patrick, Ruth; Palms, John (May 2015). "Twenty-five Years of Environmental Radionuclide Concentrations near a Nuclear Power Plant". Health Physics. 108 (5): 503–513. doi:10.1097/hp.0000000000000266. ISSN0017-9078. PMID25811148.
nps.gov
"Civil War Timeline" The main bridge across the Susquehanna was burnt by the townspeople of Columbia, Pennsylvania, Lancaster County, in order to stop the advancing Confederates, who were encamped in Wrightsville, York County.
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapDiarsipkan March 29, 2012, di Wayback Machine., accessed August 8, 2011
Simms, William Q. "Two Lights on the Hill". Lighthouse Digest. Diarsipkan dari versi asli tanggal December 25, 2007. Diakses tanggal 2006-12-28.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
"John Smith, A Map of Virginia, 1612". www.marinersmuseum.org. Diarsipkan dari versi asli tanggal April 2, 2012. Diakses tanggal September 10, 2011.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Skrapits, Elizabeth (March 12, 2011). "Winter flood slams Shickshinny". The Citizens' Voice. Diarsipkan dari versi asli tanggal March 15, 2011. Diakses tanggal March 18, 2011.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
"Susquehanna Fact Sheet"(PDF). Chesapeake Bay Foundation. April 2005. Diarsipkan dari versi asli(PDF) tanggal March 16, 2007. Diakses tanggal 19 April 2019.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Harris, Charles; Kreeger, Danielle; Patrick, Ruth; Palms, John (May 2015). "Twenty-five Years of Environmental Radionuclide Concentrations near a Nuclear Power Plant". Health Physics. 108 (5): 503–513. doi:10.1097/hp.0000000000000266. ISSN0017-9078. PMID25811148.