University of Illinois Urbana-Champaign

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Showing 9721–9750 of 16,977 items
Thumbnail for Investigations of chemical reactions involved in water purification, 1920-1925
Investigations of chemical reactions involved in water purification, 1920-1925
Buswell, Arthur M.; Greenfield, Robert Edman; Gallaher, William Uren; McRoberts, Lewis Henry; Edwards, Gail Phillips

Thumbnail for Reporting educational research
Reporting educational research
Monroe, Walter Scott; Johnston, Nell Converse Bomar