University of Illinois Urbana-Champaign

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Showing 1111–1140 of 1,371 items
Thumbnail for Annual register. 1941-42
Annual register. 1941-42
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1919-20
Annual register. 1919-20
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1937-38
Annual register. 1937-38
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1929-30
Annual register. 1929-30
University of Illinois at Urbana-Champaign

Thumbnail for Sulfur varieties in Illinois coals : float-sink tests
Sulfur varieties in Illinois coals : float-sink tests
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.