Collection Information
Size: 45 Items, (on partial microfilm reel)
Summary: Several letters and postcards, 1903-1939, and undated, sent primarily to Gruppe's daughter Virginia, and to his aunt Clara Gruppe, which discuss personal matters, as well as mentioning specific paintings and prices; an account book, and miscellaneous business records, ca. 1931-1940; several exhibition announcements; and two clippings.