by University of Virginia

1894

by University of Oxford

1888

by University College, London

1887

by University of Toronto

1924

by University of Queensland

1921

by Cornell University. Class of 1877

1923

by University of Sydney

1906

by Trinity College (University of Cambridge)

1913

by University of Tasmania

1907

by University of the State of New York. Division of Educational Extension

1903

by Princeton University. Library

1920

by University of Oxford. Observatory

1917