The recapitulation theory and human infancy
By: by Percy E. Davidson.
Series: Teachers college, Columbia university.  Contributions to education,; no. 65; Contributions to education ;; no. 65.
Publisher: Teachers college, Columbia university
Published: 1914
Place of publication: New York city
Language: eng
Number of pages: 105
Subjects: Embryology; Embryology, Human; Evolution
Notes: "Books and articles cited" : p. 102-105.
Published also as thesis (PH. D) Columbia university, 1914.