Business and Labor History: Primary Sources at the Library of Congress
Archives of Labor and Urban Affairs (Walter P. Reuther Library at Wayne State Univ.)
Online stories and exhibits on the Flint sit-down strike, the United Farm Workers, the IWW, Walter Reuther, and more). Also guides to the archives collections. The Reuther is the largest labor archives in the U.S.
Labor and Unions (University of Maryland University Libraries)
Collections include AFL-CIO records and personal papers of union leaders. Material spans various formats and covers decades of American history.
Kheel Center for Labor-Management Documentation & Archives
The Kheel Center for Labor-Management Documentation & Archives is the unit of Catherwood Library (Cornell) that collects, preserves, and makes accessible special collections pertaining to the history of the workplace and labor relations.
"LHF works to preserve and promote knowledge of the cultural heritage of the American worker through the arts, including music, poetry, written works, theatre, and artistic works; and conducts historical research through written and oral histories."