The collection includes correspondence, manuscripts, diaries (1941-1966), documents, printed materials, photographs, and appointment books (1925-1965). The bulk of the material concerns Kuskin's activities in emigration. Included is a copy of a treaty drawn up in 1921 among various anti-communist political groups in Turkey, including the Vseukrains'ka natsional'na Rada (All-Ukrainian National Rada) and the Krest'ianskaia narodnaia partiia (Peasant National Party), pledging cooperation against the Communists. Several of the family photographs in the collection pre-date the Revolution.