Collections : [University of Michigan Bentley Historical Library]

Ann Arbor German-American family, owners of the Allmendinger Organ Company which later became the Ann Arbor Organ Company. Correspondence, scrapbooks, family genealogy, photographs concerning family affairs, materials on Helene Allmendinger's radio show, examples of spirit messages received by Helene Allmendinger from deceased family members; information pertaining to the Ann Arbor Organ Company, and family members still living in Germany.

The collection is divided into the following series: Family records and correspondence; Helene Allmendinger papers; Ina Allmendinger papers; Ann Arbor Organ Company; Harriet Birch papers, Other family members; Miscellaneous, and Photographs.

Minutes of board meetings, membership and treasurer's records, scrapbooks, and photographs.

The record group includes minutes of meetings, membership materials, and treasurer's records of the Young Men's Christian Association dating from 1902 to 1933. The history of the women's association is documented in greater detail with minutes and scrapbooks, dating back to 1894 and extending to the mid-1950s. There is very little material from the 1950s on.