The collection consists primarily of correspondence reflecting Calmenson’s involvement in numerous national and local Jewish organizations. The largest quantity of materials is in relation to his work with the United Palestine Appeal (1926-1945, primarily 1926-1929), and the Zionist Organization of America (1919-1952). Among the local St. Paul Jewish organizations, the largest quantity of materials relates to the Emergency Committee for Palestine (1942-1951), and the Zionist Organization of America, St. Paul Chapter (1918-1950). Among his correspondents are Harry S. Truman, H.V. Kaltenborn, and Emanuel Neumann. Among the topics dealt with are the 1929 riots in Palestine, the protest against the Passfield paper, and the establishment of a Jewish army after World War I. The collection also contains materials relating to Calmenson’s private activities, and miscellaneous writings and papers belonging to the Calmenson family.