1. `Prairie Sky' Poplar
2. Isebrands. J. G. and Karnosky, D. F. 2001. Environmental benefits of poplar culture. Pages 207–218 in D. I. Dickmann, J. G. Isebrands, J. E. Eckenwalder, and J. Richardson, eds. Poplar culture in Canada. NRC Research Press, Ottawa, ON.
3. WALKER POPLAR
4. Roller, K. J. 1984. Guide to the identification of poplar clones in Ontario. Ontario Ministry of Natural Resources, Maple, ON. 98 pp.
5. ASSINIBOINE POPLAR