The birds of Africa,.
London,Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.),1896-1912..
biodiversitylibrary.org/page/14023276
Atlas de poche des oiseaux de France, Suisse, et Belgique, utiles ou nuisibles :.
Paris :Librairie des sciences naturelles P. Klincksieck,1898-.
biodiversitylibrary.org/page/39512701