The fonds consists of correspondence, much of it by Sheila Young or addressed to her, concerning various international issues; among the addressees are Prime Minister Trudeau and various cabinet ministers and other politicians, newspapers, commissions and organizations, government departments and agencies, and businesses. The records of the 11th, 13th-18th, and 20th International Congresses of the W.I.L.P.F. are also included, as well as printed material on military expenditures, the atomic bombings of Hiroshima and Nagasaki, peace, and the polar regions. Fonds includes photographs of a 1956 garden party.;An accession was added in 2007 containing printed material, minutes, correspondence from 1988-1997, financial and other operations records, ephemera, and records relating to the creation of the Canadian section and the drafting of its constitution.