A History of North American Birds; Land Birds; Vol. 1 of 3 - Spencer Fullerton Baird; T. M. Brewer; Robert Ridgway - Page №543

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4. Loxia americana. ♀.

5. Leucosticte griseinucha. ♂ Unalaska, 54244.

6. Leucosticte littoralis. Ft. Simpson, V. I.