Nina Mjagkij 
Organizing Black America: An Encyclopedia of African American Associations [PDF ebook] 

With information on over 500 organizations, their founders and membership, this unique encyclopedia is an invaluable resource on the history of African-American activism. Entries on both historical and contemporary organizations include:* African Aid Society * African-Americans for Humanism * Black Academy of Arts and Letters * Black Women’s Liberation Committee * Minority Women in Science* National Association of Black Geologists and Geophysicists * National Dental Association * National Medical Association * Negro Railway Labor Executives Committee * Pennsylvania Freedmen’s Relief Association *Women’s Missionary Society, African Methodist Episcopal Church * and many more.