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Search the Polar Bear Expedition

Print No. 13814, unidentified from the United States Army Signal Corps photograph collection, 1918-1919

The Bentley Historical Library holds the largest collection of manuscript and printed materials related to the Polar Bear Expedition. The materials, many of which have been digitized, are freely available for public use using the various sources described below.

To learn more about the Polar Bear Expedition, read a brief history. For all inquiries about the archival collections, Polar Bear history and background, Polar Bear donations, and copyright and reproductions, contact the Bentley Historical Library reference department at


The Polar Bear Roster is a searchable database compiled using materials located in the collections of the Bentley Historical Library. The roster includes the names, units, and other personal and military service details of the men who served in the Polar Bear Expedition.

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Finding aids

Description for all archival collections relating to the Polar Bear Expedition held by the Bentley Historical Library, including the papers, correspondence, diaries, postcards, and photographs of individuals who served in the Polar Bear Expedition.

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Digital materials

The Polar Bear Expedition Digital Materials include digitized manuscripts, photographs, maps and other primary source materials relating to the Polar Bear Expedition.

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Books and periodicals in HathiTrust relating to the Polar Bear Expedition.

Browse all entries in HathiTrust