Subjects: Gold mines and mining--United StatesBIOGRAPHY & AUTOBIOGRAPHY / Science & Technology
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Subjects: EXISTENTIALISM; PHILOSOPHY of education; EDUCATIONAL objectivesFRAMINGHAM (Mass.); MASSACHUSETTS
Subjects: Business and politics--United States; Progressivism (United States politics)POLITICAL SCIENCE / General; HISTORY / General; HISTORY / United States / General
Subjects: Archival resources--DenmarkHISTORY / General; SCIENCE / General
Subjects: HANNA, Dan
Subjects: HISTORY / United States / State & Local / General; HISTORY / United States / State & Local / Midwest (IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, WI)