Letter from A. A. Rumreich, dated June 4, 1935

Letter from A. A. Rumreich to Vivian Rumreich, dated March 14, 1937

Excerpts from the Genealogical History of the Rumreich and Patocka Families, compiled by Clement Patocka

Letter from Rudolph Rumreich to Frank T. Rumreich, dated June 25, 1967

The Rumreich Houses of Nemcice

Recollections of Frank T. Rumreich, dated May 1, 1978

The Rumreichs of Mahnomen

Bastyr & Rumreich grocery store, Mahnomen, Minnesota

The Rumreich Brothers...Both Sell "Lilly" in Minnesota, March 21, 1941

Excerpts from Pisek, the First Century: A History of Pisek, ND and Its People

U.S. Patent 1,381,887 Lignite Grate by A. A. Rumreich, issued June 14, 1921

The "Clan Rumreich" of St. John's University

The Rumreich Immigration to America