A study of Buteo borealis, the red-tailed hawk, and its varieties in Canada,
by P. A. Taverner.
- Ottawa, F. A. Acland, printer to the King, 1927.
- 20 p. incl. 2 col. plates, map, plates 25 cm.
- Canada. Dept. of Mines. National Museum of Canada. Bulletin Biological ser. no. 48. no. 13 .
- Bulletin (National Museum of Canada), no. 48. Bulletin (National Museum of Canada). Biological series, no. 13. .