Books in Category: Science - Earth/Agricultural/Farming
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Ocean and Its Wonders
R. M. Ballantyne
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Ocean World: Being a Description of the Sea and Its Living Inhabitants.
Louis Figuier
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Ohio Journal of Science, Vol. XVI, No. 1, November 1915
Various
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Ohio naturalist, Vol. 1, No. 4, February 1901
Ohio State University. Biological Club
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Ohio naturalist, Vol. 1, No. 8, June 1901
Ohio State University. Biological Club
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Ohio Naturalist, Vol. I, No. 7, May, 1901
Ohio State University. Biological Club
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Old Mines of Southern California
Harold W. Fairbanks and William H. Storms
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Old Red Sandstone; or, New Walks in an Old Field
Hugh Miller
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Omphalos : an attempt to untie the geological knot
Philip Henry Gosse
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One Hundred Proofs That the Earth Is Not a Globe
William Carpenter
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One Thousand Questions in California Agriculture Answered
Edward J. Wickson
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On Naval Timber and Arboriculture
Patrick Matthew
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On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment
Honoré Bourguignon
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On the Connexion of the Physical Sciences
Mary Somerville
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On the improved beet root, as winter food for cattle
Pinder Simpson
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On the Red Chalk of England
Thomas Wiltshire
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Ontwerp van wet tot afsluiting en droogmaking van de Zuiderzee met toelichtende memorie (Dutch)
Cornelis Lely
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Op Martinique en Sint-Vincent, de veelgeteisterde eilanden (Dutch)
Gerrit Verschuur
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Opúsculos por Alexandre Herculano - Tomo 07 (Portuguese)
Alexandre Herculano
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Origin of Cultivated Plants
Alphonse de Candolle
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Origin of the World According to Revelation and Science
Sir John William Dawson
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Ornithosauria
H. G. Seeley
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Other Worlds
Garrett Putman Serviss
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Oudewater en omtrek, Geologisch, Mythologisch en Geschiedkundig Geschetst (Dutch)
Willem Cornelis van Zijll
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Our Italy
Charles Dudley Warner