District of Columbia of Societies


Columbia Historical Society
333 Constitution Avenue, NW
Room 4826
Washington, DC 20001-2866
Telephone: 202-785-2068
Fax: 202-887-5785

Historical Society of Washington, D. C. 

801 K Street, NW
at Mt. Vernon Square
Washington, DC 20001
Telephone:  202-383-1800

Internet: http://www.historydc.org/