Malcolm X Society
Manumission Societies
March on Washington Committee
Massachusetts Commission Against Discrimination
Massachusetts General Colored Association
Medical Committee for Human Rights
Medico-Chirurgical Society, Washington, D.C.
Memphis Lyceum
Memphis: Civic, Literary, and Mutual Aid Associations
Miami: Civic, Literary, and Mutual Aid Associations
Michigan Commission on Civil Rights
Michigan Committee for Intercultural Understanding
Middle States Baseball League
Milwaukee's Mayor's Commission on Human Rights
Milwaukee: Civic, Literary, and Mutual Aid Associations
Ministers for Racial and Social Justice
Minneapolis' Mayor's Council on Human Relations
Minnesota Fair Employment Practice Commission
Minority Business Development Agency
Minority Women in Science
Mississippi Council on Human Relations
Mississippi Freedom Democratic Party
Mississippi Progressive Voters' League
Montgomery Improvement Association
Moorish Science Temple of America
Mosaic Templars of America
MOVE
Mutual Musicians' Foundation