The May Cohn Russia and Soviet Union Collection (Vilna Archives) includes materials dealing with a wide range of topics mostly pertaining to Jewish life in the Russian Empire and the Soviet Union and to a smaller extent to everyday life of ordinary Russian citizens. The collection consists of official government documents such as reports, decrees and regulations, circular letters, lists, vital records, Census records, residency and emigration permits. Also included here are manuscripts, correspondence, printed materials, petitions, announcements, posters, questionnaires, and minutes of meetings. Materials collected here shed light on the way Jewish religious and civil life was administered in the Russian Empire and the Soviet Union.