by University of Illinois (Urbana-Champaign campus). High School Visitor

1915

by University of Illinois at Urbana-Champaign

1914

by University of Illinois (Urbana-Champaign campus)

1912

by University of Illinois (Urbana-Champaign campus)

1926

by Burdette Ross Buckingham, University of Illinois (Urbana-Champaign campus). Bureau of Educational Research

1918

by University of Illinois (Urbana-Champaign campus) Board of Trustees

1877

by University of Illinois (Urbana-Champaign campus). Board of Trustees

1906

by University of Illinois (Urbana-Champaign campus)

1918

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

1915

by University of Illinois, University of Illinois (Urbana-Champaign campus)

1928

by University of Illinois (Urbana-Champaign campus)

1928

by University of Illinois (Urbana-Champaign campus). High School Conference

1926