Brief Description: The papers relate primarily to Jasper's continued contact with revolutionary groups in Pinsk. Correspondence concerning political activities in Pinsk and other matters, 1905-1912.  Includes many letters from Khaytshe Kolodny, a political activist and friend of Jasper's. Photographs of friends and fellow members of the Zionist-Socialist Workers Party in Pinsk.  Memoirs about Pinsk and about Zionist Socialists.

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