Dene Dogrib 1959 (Kinsources) Helm, June and Nancy O. Lurie. 1961. The Subsistence economy of the Dogrib Indians of Lac la Matre District of the Northwest Territories. Ottawa: Northern Coordination and Research Center, Department of Northern Affairs and Natural Resources. Helm, June. 1965. Bilaterality in the socio-territorial organization of the Arctic Drainage Dene. Ethnology 4(4):361-85.