ID:DA08287191
同姓同名の著者を検索
by Leonard V. Koos
AMS Press 1970
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Leonard V. Koos
Greenwood 1969
Harper c1955 Exploration series in education
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Leonard V. Koos ... [et. al.]
American Book Co. c1940
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by Leonard V. Koos and staff
G.P.O. 1934 Bulletin / Department of the Interior, Bureau of Education 1932, no. 17 . National survey of secondary education ; Monograph ; no. 1
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by Leonard V. Koos and Grayson N. Kefauver
Macmillan 1932
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Univ. of Chicago Press 1931
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by Leonard V. Koos ; with an introduction by Henry Suzzallo
Ginn c1927 Enl. ed
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Ginn c1927
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Harverd University Press c1926 Inglis lectures in secondary education series 1925
G.P.O. 1922 Bulletin / Department of the Interior, Bureau of Education 1921, no. 38
Harcourt, Brace and Howe c1927
G.P.O. 1919 Bulletin / Department of the Interior, Bureau of Education 1919, no. 15