File No. 11, American Intervention in Northern Russia 1918-1919 The Polar Bear Expedition: A Guide to Box 2 In: Bentley Historical Library publications, 1935-2012 » Unit Publications » Bibliographical Series (No. 1-11)
File No. 14 Michigan's Polar Bears: The American Expedition to North Russia, 1918-1919, 1965 Box 2 In: Bentley Historical Library publications, 1935-2012 » Unit Publications » Bulletins