United States--Politics and government--20th century.

Primarily correspondence, reports, minutes, newspaper clippings, and broadsides dealing with his activities as a leader in Local 22 (in Series I), as well as his other union and political activities (in Series II). Among the most significant material in the collection is correspondence documenting Zimmerman's activities with the Communist Party in the U.S. and its various factions and splinter groups, as well as other political organizations and figures.

The collection includes images of important people in Local 22, along with images of sports and cultural events, parades, marches, strikes, meetings and educational programs.

The Local 62 correspondence consists primarily of letters of Samuel Shore and Louis Stulberg, the managers of the Local during much of the period. There are also articles, photographs, reports, and other materials in the collection. These items primarily document the activities and concerns of the Local's leadership from the depression years through the 1960s.

Correspondence, speeches, and subject files covering Luigi Antonini's activities, both within and outside of the ILGWU, from the 1920s to the 1960s.

The New York Cloak Joint Board of the International Ladies' Garment Workers' Union, represented a number of New York City local unions whose members were employed as cloak makers. The collection contains reports, photographs, and the correspondence of three of its managers Israel Feinberg, Isidore Nagler and Henoch Mendelsund.

The Charles Zimmerman papers consist primarily of correspondence, reports, minutes, newspaper clippings, and broadsides dealing with his activities as a leader in Local 22 (in Series I), as well as his other union and political activities (in Series II).