A History of North American Birds; Land Birds; Vol. 1 of 3 - Spencer Fullerton Baird; T. M. Brewer; Robert Ridgway - Page №493

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3. Pyranga ludoviciana, Wils. Neb., 38388.

4. Pyranga ludoviciana, Wils. ♀.

5. Pyranga æstiva, Gm. ♂ Ga., 13190.