by University of Michigan. Board of Regents

1951 · UM Libraries

by Yale University

1895

by Yale University

1895

by University of London

1912

by Harvard University

1894

by Fisk University

1898

by University of Pennsylvania. General Alumni Society

1922

by University of Pennsylvania. General Alumni Society

1917

by Pennsylvania State University. Agricultural Experiment Station

1908

by Pennsylvania State University

1908

by Pennsylvania State University

1905