From 1930 to 1940, A. Irving Hallowell, a professor of anthropology at the University of Pennsylvania, made repeated summer fieldwork visits to Lake Winnipeg, Manitoba, and to the Ojibwe community at Berens River on the lake's east side. He traveled up the Berens River several times to other Ojibwe communities as well, under the guidance of William Berens, the treaty chief at Berens River from 1917 to 1947 and Hallowell's closest collaborator...