The range of the crosshill in the Ohio valley, with notes on their unusual occurrence in summer
Butler,A.W.
The range of the crosshill in the Ohio valley, with notes on their unusual occurrence in summer - - Indiana-USA Indiana Acad. of Science 1892 - - Proc. Ind. Acad. Sc. 1892 .
--Ohio--Crossbill--Aves--Avifauna--Pajaros--Ornitologia--Loxia--EE.UU.
Zoologia
The range of the crosshill in the Ohio valley, with notes on their unusual occurrence in summer - - Indiana-USA Indiana Acad. of Science 1892 - - Proc. Ind. Acad. Sc. 1892 .
--Ohio--Crossbill--Aves--Avifauna--Pajaros--Ornitologia--Loxia--EE.UU.
Zoologia