Ham, D. N. (1984). Black history: A guide to civilian records in the National Archives. National Archives Trust Fund Board, General Services Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHam, Debra Newman. Black History: A Guide to Civilian Records in the National Archives. Washington, D.C.: National Archives Trust Fund Board, General Services Administration, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHam, Debra Newman. Black History: A Guide to Civilian Records in the National Archives. National Archives Trust Fund Board, General Services Administration, 1984.
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