by University of Illinois (Urbana-Champaign campus). College of Education

1915

by University of Illinois (Urbana-Champaign campus). Bureau of Educational Research

1926

by Charles Watters Odell, University of Illinois (Urbana-Champaign campus). Bureau of Educational Research, Walter Scott Monroe, Marion Eugene Herriott, Thomas Tristam Hamilton, Max Dissette Engelhart

1928

by University of Illinois (Urbana-Champaign campus). Engineering Experiment Station

1924

by University of Illinois (Urbana-Champaign campus) Engineering Experiment Station

1908

by University of Illinois (Urbana-Champaign campus). Bureau of Economic and Business Research

1928

by Arthur Joseph Hoskin, Crandall Zachariah Rosecrans, Harold Eaton Babbitt, Herbert Fisher Moore, Hugh Alexander Brown, Joseph Tykocinski Tykociner, University of Illinois (Urbana-Champaign campus). Engineering Experiment Station, University of Illinois at Urbana-Champaign. Engineering Experiment Station, Charles Alva Keener, George Theodore Felbeck, T.M. Jasper

1925

by University of Illinois (Urbana-Champaign campus)

1906

by University of Illinois (Urbana-Champaign campus). Engineering Experiment Station, University of Illinois at Urbana-Champaign. Engineering Experiment Station

1916

by University of Illinois (Urbana-Champaign campus). Library. Reference dept

1919

by University of Illinois (Urbana-Champaign campus)

1914

by University of Illinois (Urbana-Champaign campus). College of Education

1913