Systematic notes on Palearctic birds. No. 23, Fringillidae, the genera Emberiza, Calcarius, and Plectrophenax. American Museum novitates ; no. 1805

Vaurie, Charles.2005-10-062005-10-061956http://hdl.handle.net/2246/539127 p. ; 24 cm.Includes bibliographical references.3083679 bytesapplication/pdfen-USQL1 .A436 no.1805, 1956EmberizaLongspursPlectrophenaxEmberizidaeFringillidaeSystematic notes on Palearctic birds. No. 23, Fringillidae, the genera Emberiza, Calcarius, and Plectrophenax. American Museum novitates ; no. 1805Fringillidae, the genera Emberiza, Calcarius, and PlectrophenaxPalearctic birds.text