ACMHR: Alabama Christian Movement for Human Rights

AFL: American Federation of Labor

CIO: Congress of Industrial Organizations

COFO: Council of Federated Organizations

CORE: Congress of Racial Equality

CP: Communist Party

ILGWU: International Ladies Garment Workers Union

MFDP: Mississippi Freedom Democratic Party

MIA: Montgomery Improvement Association

MPOC: Mass Party Organizing Committee

NAACP: National Association for the Advancement of Colored People

PRSO: Puerto Rican Solidarity Organization

SCEF: Southern Conference Education Fund

SCHW: Southern Conference on Human Welfare

SCLC: Southern Christian Leadership Conference

SDS: Students for a Democratic Society

SNCC: Student Nonviolent Coordinating Committee

TSCC: Temporary Student Coordinating Committee

UAW: United Auto Workers

UCMI: United Christian Movement Inc.

UNIA: Universal Negro Improvement Association

VEP: Voter Education Project

WEP: Workers Education Project

WPA: Works Progress Administration

YMCA: Young Men’s Christian Association

YNCL: Young Negroes Cooperative League

YPF: Young People’s Forum

YWCA: Young Women’s Christian Association