1.

図書

図書
National Education Association of the United States. Dept. of Superintendence ; American Association of School Administrators
出版情報: Washington, D.C. : Department of Superintendence of the National Education Association of the United States
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2.

図書

図書
National Education Association of the United States. Dept. of Superintendence
出版情報: Washington, D. C. : The Department of Superintendence, c1936
シリーズ名: Yearbook ; 14th
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