Sealy SG. A First-Edition Copy of Roger Tory Peterson’s A Field Guide to the Birds, Archived at the University of Manitoba, and a Note on Peterson’s Connection to Saskatchewan. bluejay [Internet]. 2013 Mar. 25 [cited 2024 Nov. 23];71(1):25-30. Available from: https://bluejayjournal.ca/index.php/bluejay/article/view/255