Books by Harl R. Douglass:
Books in the extended shelves:
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Douglass, Harl R. (Harl Roy), 1892-1972: American public education, an introduction. (Ronald Press Co., 1948), also by Calvin Grieder (page images at HathiTrust)- Douglass, Harl R. (Harl Roy), 1892-1972: American public education; an introduction (Ronald Press Co., 1955), also by Calvin Grieder and Stephen Romine (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Democratic supervision in secondary schools (Houghton Mifflin, 1953), also by Charles Willis Boardman and Rudyard K. Bent (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Democratic supervision in secondary schools (Houghton Mifflin, 1961), also by Charles Willis Boardman and Rudy Kipling Bent (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: The development of number concept in children of pre-school and kindergarten ages. ([publisher not identified], 1925) (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: The junior high school; a manual of suggestions and standards for junior high schools in Oregon (State printing department, 1922), also by Fred Lea Stetson and Oregon. Dept. of Education (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Modern methods in high school teaching (Houghton Mifflin, 1926) (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: On formula for estimating the reliability of test batteries (s.n., 1929), also by Frederick W. Cozens (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Organization and administration of secondary schools. (Ginn and company, 1945) (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Organization and administration of secondary schools (Ginn and Company, 1932) (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Secondary education for youth in modern America (American Council on Education, 1937), also by American Council on Education. American Youth Commission (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Teaching in high school (Ronald Press Co., 1957), also by Hubert H. Mills (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Teaching in high school ... (Ronald press co., 1948) (page images at HathiTrust)
- Douglass, Harl R. (Harl Roy), 1892-1972: Trends and issues in secondary education. (Center for Applied Research in Education, 1962) (page images at HathiTrust)
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