by Pennsylvania. University, University of Pennsylvania

1893

by University of Pennsylvania

1894

by University of Pennsylvania. Zoological Laboratory

1930

by University of Pennsylvania. Zoological Laboratory

1900

by Pennsylvania. University. Class of 1893, University of Pennsylvania. Class of 1893

1898

by University of Pennsylvania

1899

by Cornell University. Cornell Cosmopolitan Club

1913

by University of Wisconsin

1909

by University of Wisconsin. Anatomical Laboratory

1906

by University of Wisconsin. Anatomical Laboratory

1906

by Liverpool (England). University. Library, University of Liverpool. Library

1913

by University of Pennsylvania. Philosophy Department

1897