Based Chiefly on the Titles in the Blacker Library of Zoology. The Emma Shearer Wood Library of Ornithology, The Bibliotheca Osleriana, and Other Libraries of McGill University, Montreal. Hildesheim: Georg Olms Verlag, 1974. Reprint in a reduced format of a work first published by Oxford University Press in 1931. 643 pp. A most useful reference for the collector of natural history books.