Cassin, J. (1856). Illustrations of the birds of California, Texas, Oregon, British, and Russian America: Intended to contain descriptions and figures of all North-American birds not given by former American authors, and a general synopsis of North American ornithology. Philadelphia: J.B. Lippincott & Co..

Cassin, John. Illustrations of the Birds of California, Texas, Oregon, British, and Russian America: Intended to Contain Descriptions and Figures of All North-American Birds Not Given By Former American Authors, and a General Synopsis of North American Ornithology. Philadelphia: J.B. Lippincott & Co., 1856.

Cassin, John. Illustrations of the Birds of California, Texas, Oregon, British, and Russian America: Intended to Contain Descriptions and Figures of All North-American Birds Not Given By Former American Authors, and a General Synopsis of North American Ornithology. Philadelphia: J.B. Lippincott & Co., 1856.