Writings, notes, correspondence, government documents, bulletins and issuances of Congolese political organizations, reports,
studies, conference materials, and printed matter relating to nationalism in and independence of the Democratic Republic of
the Congo, the Parti Solidaire Africain, Patrice Lumumba, civil war and political opposition groups in the Congo, and political
conditions elsewhere in Africa. Used in part as research material for the book by H. F. Weiss, Political Protest in the Congo:
The Parti Solidaire Africain during the Independence Struggle (Princeton, 1967).