The fonds consists of correspondence, much of it by or addressed to Sheila Young, concerning various international issues. Among the addressees are Prime Ministers Trudeau, Pearson, and Diefenbaker; various cabinet ministers; international heads-of-state; the United Nations; newspapers, commissions and organizations; government departments and agencies, and businesses. The fonds includes records of the 11th, 13th-18th, and 20th International Congresses of the W.I.L.P.F., as well as printed material on military expenditures, the atomic bombings of Hiroshima and Nagasaki, peace, and the polar regions, and also contains evidential records pertaining to W.I.L.P.F. operations. An accrual 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. An additional accrual was added in 2015 including video recordings of W.I.L.P.F. and affiliated organizations events, and other organizational records.