Atlas de poche des oiseaux de France, Suisse, et Belgique, utiles ou nuisibles :.
Paris :Librairie des sciences naturelles P. Klincksieck,1898-.
biodiversitylibrary.org/page/39512835
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/41958833
British ornithology
London :Printed for the author, by Stephen Couchman ... and sold by Sherwood, Neely, and Jones,1811-1821.
biodiversitylibrary.org/page/45633939