File consists of records documenting J. B. Salsberg's involvement in the Labor Progressive Party delegation that was sent to Moscow in October 1956. Included are drafts of the delegation's statement with Salsberg's annotations, a press statement and journals containing an article by J. B. Salsberg entitled, "My Mission to Moscow." Journals include: Klurkeit, Drachim Chadashot, and Unzer Einikait (article is on page 19).