1910 GREGORY, William King (1897 – 1970)

The orders of mammals. Part 1.- Typical stages in the history of the ordinal classification of mammals. Part II. - Genetic relations of the mammalian orders; with a discussion of the origin of the mammalia and of the problem of the auditory ossicles.

Gregory's PhD dissertation, of particular significance for its exhaustive analysis of prior taxonomic systems for mammalia. Digital facsimile from Google Books at this link.

GMN 14044 · https://historyofmedicine.com/id/16352