1. ^{{cite book |author=Daughters of the American Revolution |authorlink=Daughters of the American Revolution |title=Lineage Book |year=1928 |publisher=Daughters of the American Revolution |location= |isbn= |pages=}}
2. ^{{cite web |url=http://www.history.navy.mil/wars/cw/sasquad1.htm |title=Officers of Navy Yards, Shore Stations, and Vessels, 1 January 1865 |accessdate=2007-05-27 |date=1998-06-12 |work=Naval Historical Center |deadurl=yes |archiveurl=https://web.archive.org/web/20070311080425/http://www.history.navy.mil/wars/cw/sasquad1.htm |archivedate=2007-03-11 |df= }} (Source: Register of the Commissioned, Warrant, and Volunteer Officers of the Navy of the United States, Including Officers of the Marine Corps and Others, to January 1, 1865. Washington, D.C.: Government Printing Office, 1865.)
3. ^^1 2 {{cite book |last=Tower |first=George Bates Nichols |title=Instructions on Modern American Bridge Building |url=https://books.google.com/books?id=aNVMrlvpifMC&printsec=titlepage&dq=%22George+Bates+Nichols+Tower%22 |year=1874 |publisher=A. Williams & Company |location=Boston, Massachusetts}}