Picinae

Fauna boreali-americana, or, The zoology of the northern parts of British America :. London :John Murray,1829-1837.. biodiversitylibrary.org/page/41549727

The birds of North America New York, U.S.A. :Published under the auspices of the Natural Science Association of America,1895, c1888. biodiversitylibrary.org/page/41958891

Musée ornithologique illustré :. Paris :J. Rothschild, éditeur, 13, rue des Saints-Pères, 13,1886-1887.. biodiversitylibrary.org/page/49899783

Nests and eggs of birds of the United States ... Philadelphia,J.A. Wagenseller,1882. biodiversitylibrary.org/page/35136318

Illustrations of the nests and eggs of birds of Ohio. v.2 Circleville, Ohio, U.S.A. :[s.n.],1886 biodiversitylibrary.org/page/34908355

Monographie des picidées, ou Histoire naturelle des picidés, picumninés, yuncinés ou torcols;. Metz,Typ. de J. Verronnais,1861-62.. biodiversitylibrary.org/page/40019201

Monographie des picidées, ou Histoire naturelle des picidés, picumninés, yuncinés ou torcols;. Metz,Typ. de J. Verronnais,1861-62.. biodiversitylibrary.org/page/40019191