Torrey, Bradford, 1843-1912; Audubon, John James, 1785-1851 [Illustrator]; Chapman, Frank M. (Frank Michler), 1864-1945 [Photographer]. “Everyday birds: Elementary studies.” Veymont. Project Gutenberg transcription; source file SHA-256 94a44e230ae8016ed0472441eb642c739d73bcad74dc47965b65de553bde6369. n.d.. Accessed 2026-10-30. https://veymont.io/library/pg-69563.