Books in Category: Science - Earth/Agricultural/Farming
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Color Standards and Color Nomenclature
Robert Ridgway
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The Mule: A Treatise on the Breeding, Training, and Uses to Which He May Be Put
Harvey Riley
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Comparative geography
Carl Ritter
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Beginselen der dierkunde (Dutch)
J. Ritzema Bos
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Stock and stalks : A book for the dairy farmer
James Russel Roberts
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Hemp
Brittain B. Robinson
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Geology of Devils Tower National Monument, Wyoming
Charles Sherwood Robinson
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Guano: A Treatise of Practical Information for Farmers
Solon Robinson
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Mushroom Culture: Its Extension and Improvement
W. Robinson
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Sewage and Garbage Disposal on the Farm
J. W. Rockey and Joseph Winslow Simons
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Etna: A History of the Mountain and of its Eruptions
G. F. Rodwell
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Earth and Sky Every Child Should Know
Julia Ellen Rogers
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Something about sugar : Its history, growth, manufacture and distribution
George M. Rolph
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Pecan Diseases and Pests and Their Control
David W. Rosburg and D. R. King
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The Law of Storms
John Ross
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Sounding the Ocean of Air
Abbott Lawrence Rotch
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Darstellende Geometrie des Geländes (German)
Rudolf Rothe
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A Hand-book of Precious Stones
Meyer D. Rothschild
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Bamboo, Considered as a Paper-making Material
Thomas Routledge
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Hints to Travellers, Scientific and General, Vol. 2
Royal Geographical Society
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Miscellanea Curiosa, Vol. 3
Royal Society
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How old are fossils?
Sharat Kumar Roy
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Ukraine, the land and its people : an introduction to its geography
Stepan Rudnytskyi
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The Eagle's Nest
John Ruskin
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Lessons on Soil
Edward J. Russell
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