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On the Genesis of Species
St. George Jackson Mivart |
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On the Heels of De Wet
Lionel James |
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On the Heights: A Novel
Berthold Auerbach |
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On the History of Gunter's Scale and the Slide Rule During the Seventeenth Century
Florian Cajori |
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On the improved beet root, as winter food for cattle
Pinder Simpson |
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On the Improvement of the Understanding
Benedictus de Spinoza |
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On the inaccuracies which probably exist in the census returns of ages
Thomas A. Welton |
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On the Indian Sect of the Jainas
Georg Bühler |
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On the Indian Trail / Stories of Missionary Work among Cree and Salteaux Indians
Egerton Ryerson Young |
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On the Iron at Big Cloud
Frank L. Packard |
