All Organizations
- Vivian G. Harsh Research Collection of Afro-American History and Literature. (3)
- Woodlawn Organization (3)
- Woodson Regional Library Center. (Chicago, Ill.) (3)
- YMCA of Metropolitan Chicago (3)
- A.A.R.C. Mass Choir (2)
- Abraham Lincoln Centre (Chicago, Ill.) (2)
- African American Police League (Chicago, Ill.). (2)
- African Methodist Episcopal Church. (2)
- Alpha Gamma Pi (2)
- Alpha Phi Alpha Fraternity (2)
- Amalgamated Clothing and Textile Workers Union. Chicago and Central States Joint Board (2)
- Amalgamated Meat Cutters and Butcher Workmen of North America -- Fur and Leather Dept. (2)
- American Arbitration Association (2)
- American Civil Liberties Union of Illinois (2)
- American Friends Service Committee. (2)
- American Jewish Congress (2)
- American Library Association (2)
- American Negro Exposition (1940 : Chicago). (2)
- American Sociological Association (2)
- American Sociological Society (2)
- Ancient and Mystical Order Rosae Crucis (2)
- Armour Research Foundation. (U.S.) (2)
- Art Ensemble of Chicago (2)
- Ashford & Simpson (Musical group) (2)
- Associated Negro Press. (2)