New York, NY Board of Education. (1938). Course of study in Social Studies for Smith-Hughes classes - American history. Board of Education.
Citazione stile Chigago Style (17a edizione)New York, NY Board of Education. Course of Study in Social Studies for Smith-Hughes Classes - American History. Rochester, NY: Board of Education, 1938.
Citatione MLA (9a ed.)New York, NY Board of Education. Course of Study in Social Studies for Smith-Hughes Classes - American History. Board of Education, 1938.
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