The first settlement at Holstein was made ca. 1843. A post office called Holstein was established in 1855, and remained in operation until 1953. Holstein was originally settled chiefly by Germans, and named by them after the region of Holstein, in Northern Germany.
- U.S. Geological Survey Geographic Names Information System: Holstein, Missouri
- "Warren County Place Names, 1928–1945". The State Historical Society of Missouri. Archived from the original on June 24, 2016. Retrieved December 30, 2016.
- "Post Offices". Jim Forte Postal History. Retrieved 30 December 2016.
- Eaton, David Wolfe (1918). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. p. 369.
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