by University of California. Bureau of Research in Education

1923

by University of California, Berkeley. School of Education. Bureau of Research in Education

1920

by University of California, Berkeley. Bureau of Research in Education

1920

by Washington State University. Western Washington Experiment Station, Puyallup

1927

by Washington State University

1922

by University of Colorado

1913

by Washington (State). Board of University Land and Building Commissioners

1892

by Washington State University

1916

by University of Minnesota

1908

by Washington State University

1930

by University of Texas

1918

by Edward Thurber Paxton, Herman Gerlach James, Robert M. Jameson, University of Texas, University of Texas. Bureau of Municipal Research and Reference, William Benjamin Hamilton

1914