ID:DA1301593X
同姓同名の著者を検索
[by] Roy O. Billett
Teachers Practical Press 1970 1st ed
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Roy O. Billett
Littlefield Adams c1963 A Littlefield, Adams quality paperback 94
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Wm. C. Brown c1963
Houghton Mifflin Co. c1940 Riverside textbooks in education
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by Roy O. Billett
G.P.O. 1933 Bulletin / Department of the Interior, Bureau of Education 1932, no. 17 . National survey of secondary education ; Monograph ; no. 13
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by Fred Engelhardt, William H. Zeigel, Jr. and Roy O. Billett
G.P.O. 1933 Bulletin / Department of the Interior, Bureau of Education 1932, no. 17 . National survey of secondary education ; Monograph ; no. 11
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