http://www.rhsresearch.org/Flags.htm
http://civilwartalk.com/threads/captured-union-battle-flags.9733/
http://www.wisconsinbattleflags.com/units-flags/captured-confederate-flags.php
http://history-sites.com/cgi-bin/bbs62x/vacwmb/webbbs_config.pl?md=read;id=4384