Consists of correspondence, photographs and ephemeral material related to Jacobson's trip to Palestine as well as her "reign" as Queen Esther. Also includes additional biographical materials including birth, schooling, and marriage documentation; documents from Hadassah and the Jewish Music Council of Montreal; and pins from Hadassah.

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.