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Safety education in the secondary schools objectives and materials of instruction.Stack, Herbert James, January 1900 (has links)
Thesis--Columbia University. / Issued also without thesis statement. Vita. Bibliography: p. 154-156.
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Safety education in industrial school shopsCressman, Paul LeRoy, January 1900 (has links)
Thesis--Doctor of education, Pennsylvania State College. / Cover title. "Reprinted from Pennsylvania Department of Public Instruction bulletin 332." Bibliography: p. 84-87.
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