http://www.nara.gov/exhall/featured-document/eman/emanproc.html

http://clio.nara.gov:70/I/inform/dc/audvis/still/civwar/civil012.jpg

http://xroads.virginia.edu/~hyper/wpa/links.html

http://www.hti.umich.edu/h/harpers/

http://www.nara.gov/education/teaching/teaching.html

http://www.lib.umich.edu/libhome/Documents.center/fedhis.html#civilwar

http://www.cwc.lsu.edu/cwc/civlink.htm

http://www.liunet.edu/cwis/cwp/library/historic.htm