Research on Civil Rights History

https://en.wikipedia.org/wiki/Mary_Bowser

http://msmagazine.com/blog/2011/02/28/the-brave-black-women-who-were-civil-war-spies/

https://en.wikipedia.org/wiki/American_frontier#Colonial_frontier

https://en.wikipedia.org/wiki/Track_and_field#History

https://en.wikipedia.org/wiki/Harlem_Renaissance

https://en.wikipedia.org/wiki/Haitian_Revolution

https://en.wikipedia.org/wiki/Second_Reconstruction

https://en.wikipedia.org/wiki/Timeline_of_African-American_history#1900.E2.80.931924

https://en.wikipedia.org/wiki/African-American_Civil_Rights_Movement_(1896%E2%80%931954)

https://en.wikipedia.org/wiki/African-American_Civil_Rights_Movement_(1954%E2%80%931968)

https://en.wikipedia.org/wiki/Disenfranchisement_after_the_Reconstruction_Era

https://en.wikipedia.org/wiki/African-American_history#Reconstruction