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1
Technology in American education, 1650-1900
Washington : United States Government Printing Office : U.S. Department of Health, Education, and Welfare, Office of Education, 1962Format: Government Document Book
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2
Technology in American education 1650-1900,
[Washington] U.S. Dept. of Health, Education, and Welfare, Office of Education, 1963Format: Government Document Book
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3
The American presence in Puerto Rico in the 19th century
[San Germán] : [Universidad Interamericana de Puerto Rico, Recinto de San Germán, Centro de Investigaciones del Caribe y America Latina], 1997Format: Book
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