A good place to start gathering information about African-American History
The African American Atlas REF E 185.A79 1998
Encyclopedia of African American History From the Colonial Period to Frederick Douglass (3 vol.) REF E 185.E545 2006
Encyclopedia of African American History From 1896 to the Present (5 vol.) REF 185.E5453 2009
African American National Biography (8 vol.) REF E 185.96.A4466 2008
Slavery in the United States, A Social, Political & Historical Encyclopedia (2 vol.) REF E 441.S635 2007
African Americans at War, an Encyclopedia (2 vol.) REF U 52.S88 2004
Milestone Documents in African-American History - Explaining the Essential Primary Sources (4 vol.) REF E 184.6.M55 2010
RefWorks -- an online research management, writing and collaboration tool -- is designed to help researchers easily gather, manage, store and share all types of information, as well as generate citations and bibliographies.
Set up an account using your UAA/APU user ID and Password, and start organizing and sharing your research.
African American History (University of Washington) http://guides.lib.washington.edu/history-africanam
African American Odyssey (Library of Congress) https://memory.loc.gov/ammem/aaohtml/aohome.html
African American Pamphlet Collection (Library of Congress) http://memory.loc.gov/ammem/aapchtml/aapchome.html
Schomburg Center for Research in Black Culture (New York Public Library) http://www.nypl.org/locations/schomburg
Library of Congress Digital Collections http://www.loc.gov/library/libarch-digital.html
Trans-Atlantic Slave Trade Database http://slavevoyages.org
National Museum of African American History & Culture https://nmaahc.si.edu
Liberated Africans http://liberatedafricans.org