Saskatchewan Natural History Society. “Second Annual May Day Count, May 25, 1958; Lark Sparrows at Saskatoon-Northerly Record for Province?; Mockingbird at Saskatoon”. Blue Jay 16, no. 3 (September 1, 1958). Accessed December 26, 2024. https://bluejayjournal.ca/index.php/bluejay/article/view/2822.