Brief Description: Personal documents, including documents relating to Barlas' arrest by the Tsarist authorities in 1910. Family letters. Manuscripts and printed articles, written by Barlas in Yiddish, on Zionist and trade union matters. Letters from H. Leivick, Naftoli Gross, Luba Borochov, Aaron Zeitlin, Marc Jarblum and Chaim Zhitlowsky. Poale Tsiyon leaflets and circulars from Russia and Galician Poland, 1908-1913. Election leaflets for Meyer London, ca. 1914. American Poale Tsiyon letter and report, 1914-1924 (including protocol of the founding meeting of der Yidisher sotsyal demokratisher arbeter fareyn-poale tsiyon, August 1, 1914). Minutes of the Independent Progressive Group of the International Pocketbook Makers' Union, 11/1930-4/1931. Minutes of the Committee of the Workmen's Circle Division of the Geverkshaft Campaign, 1941. Photographs, including one of Barlas together with Yitzhak Ben-Zvi, 1915. Essay on Barlas written by his son Benjamin. All the documents have been translated by Benjamin Barlas and the translations are included in the papers

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