Over 3,000 printed pamphlets, leaflets and issues of periodicals, mostly published 1900-1970, plus a collection of microfiche and microfilm of other publications, produced by left-wing parties and organisations in the period 1961–88.

Papers related to Clyde Cameron's long political career, and 12 oral history recordings conducted by Cameron with other political figures.

About 500 books, pamphlets, reports, leaflets, circulars, reprints and transcripts, mostly published 1920-1950, relating to communism, the labour movement and international politics. About half are Australian.

Two collections of pamphlets published in the Netherlands from 1567-1852 dealing with political, diplomatic, military and legal matters, and the administration of the Batavian Republic.