Organization Atlanta University

Wilberforce University

University of Pennsylvania

American Negro Academy (president)

Niagara Movement (co-founder and general secretary)

Moon Illustrated Weekly (founder and editor)

The Horizon: A Journal of the Color Line (founder and editor)

National Association for the Advancement of Colored People (co-founder)

Crisis (co-founder editor)

The Brownies' Book (founder and editor)

National Guardian

Peace Information Center (chairman)

American Labor Party (candidate for U.S. Senate)

Pan-African Congress (organizer)

Council of African Affairs (vice chairman)

Encyclopedia of the Negro (editor-in-chief)

Encyclopaedia Africana (director)

Freedomways: A Quarterly Review of the Freedom Movement (cofounder)

University of Pennsylvania

University of Paris

University of Poitiers

Emory University

Morgan State University

West Virginia State University

Hampton Institute

Society of Dance History Scholars

Carnegie Library of Pittsburgh (first Black librarian)

American Library Association

Special Libraries Association (first Black president)

Rockefeller Foundation

Carnegie Endowment for International Peace

Council on Foreign Relations