synopsis of the Accipitres (diurnal birds of prey)
Subtitle: comprising species and subspecies described up to 1920, with their characters and distribution
By: by H. Kirke Swann.
Edition: 2nd ed. rev. and corr. throughout.
Publisher: Wheldon & Wesley
Published: 1921
Place of publication: London
Language: eng
Number of pages: 233
Subjects: Falconiformes -- Classification; Birds of prey -- Classification
Genres: Classification.