The papers represent the scope of Brainin’s life endeavours as writer, editor, biographer, critic, translator, lecturer, Zionist and one of the founders of the Jewish Public Library. The Fonds is divided into five major series: Literary and editorial activities, Biography and criticism, Correspondence, Special Collections, and the records of the Jewish Public Library Archives Committee.

This series consists of records relating to special events held by the JPL. These include committee agendas, minutes and notes for anniversary events and exhibits, correspondence and press releases.