Simplifying the Combination of Subjects Assigned to High School Teachers; a Way to Improved Instruction in the High Schools of Illinois, by Edward F. Potthoff.Edward Potthoff1939EN
Trends in Medical Services and Training Facilities in Illinois Edward F. Potthoff.University of Illinois (Urbana-Champaign campus). Bureau of Institutional Research.1959EN
Enrollments in the Secondary Schools and Higher Institutions of Illinois 1909-10 to 1975-76, Complete Report / Edward F. Potthoff, Director.University of Illinois (Urbana-Champaign campus). Bureau of Institutional Research.1951EN