by Stanford University

1912

by University of Chicago. Library

1919

by Stanford University Stanford Electronics Laboratories

1958

by Columbia University. Teachers College

1924

by Chicago, Ill. University

1910

by Yale University

1929

by University of Glasgow

1874

by Stanford University

1913

by University of Wisconsin

1922

by Harvard University. Class of 1905

1920

by Cornell University

1908

by Yale University. Graduate School

1906