University of Illinois Urbana-Champaign

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Showing 1951–1980 of 3,446 items
Thumbnail for The techniques of educational research
The techniques of educational research
Monroe, Walter Scott; Engelhart, Max Dissette

Thumbnail for Investigation of checkerbrick for carbureters of water-gas machines
Investigation of checkerbrick for carbureters of water-gas machines
Parmelee, Cullen Warner; Westman, Albert Ernest Roberts; Pfeiffer, Wilbur H.

Thumbnail for Results of tests on sewage treatment
Results of tests on sewage treatment
Babbitt, Harold Eaton; Schlenz, Harry Edward