Johann Andreas Naumann's ... Naturgeschichte der Vögel Deutschlands, nach einigen Erfahrungen entworfen. 13.T.Plates
Leipzig :G. Fleischer,1820-1860.
biodiversitylibrary.org/page/33755509
The birds of Africa,.
London,Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.),1896-1912..
biodiversitylibrary.org/page/14023266
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/41959075
The birds of North America
New York :Published under the auspices of the Natural Science Association of America,1903.
biodiversitylibrary.org/page/35159715