Biodiversity Heritage Library
By "Beard, John, 1858-"
On certain problems of vertebrate embryology /
By: Beard, John, - Royal College of Physicians of Edinburgh.
Publication info: Jena :G. Fischer,1896.
Contributed by: Royal College of Physicians in Edinburgh (archive.org)
The span of gestation and the cause of birth : a study of the critical period and its effects in mammalia / by John Beard.
By: Beard, John,
Publication info: Jena :G. Fischer,1897.
Contributed by: Francis A. Countway Library of Medicine (archive.org)