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.

The Ludwig Family Papers document the lives of members of the Ludwig family from the time of their arrival in the United States of America in 1733, through 1985. This collection includes family histories, scrapbooks, and family photographs. Also included in the collection are both personal and professional papers of Claud Cecil Ludwig, Frederick E. Ludwig, and Ruby Newman Ludwig.

The Ludwig Family record group covers a period of time from the 1850s to the 1980s. The collection of information documenting the history of the Ludwig family includes family histories, ancestral charts, and a large collection of photographic materials. The diaries and scrapbooks included in the collection describe everyday life during the periods covered. The collection is particularly strong in documenting the lives of Claud Cecil Ludwig and Frederick E. Ludwig.