Collections : [University of Michigan Bentley Historical Library]

Papers of a soldier with the 339th Infantry in the Allied intervention in Russia, 1918-1919, the "Polar Bear Expedition."

The John Peterson papers consists of photocopies of military discharge papers and other official documents and a 1960 invitation to Polar Bear reunion and also a photograph of Peterson in uniform.

Collected materials include Civil War diary (1863) of William Harts, soldier with Co. B, 1st Michigan Infantry; also papers of Leon Bell, member of 339th Infantry (Polar Bears) sent to northern Russia after World War I.