The following pages link to Template:Ref-Beard1896:
Displayed 3 items.
- Book - The span of gestation and the cause of birth - 1897 (transclusion) (← links)
- Paper - On certain problems of vertebrate embryology 1896 (transclusion) (← links)
- Book - The determination of sex in animal development - 1902 (transclusion) (← links)