Congress of the United States, entitled "an act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the time therein mentioned." And also to an act entitled "an act... Every Man His Own Teacher: Or, Lancaster's Theory of Education, Practically ... - Σελίδα 2 των John Preston - 1817 - 520 σελίδες Πλήρης προβολή -
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