Books in Category: Science - Earth/Agricultural/Farming (sorted alphabetically by author)
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Crimson Clover [1938] E. A. Hollowell
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Crimson Clover [1947] E. A. Hollowell
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Micrographia Robert Hooke
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The Story of the Soil; from the Basis of Absolute Science and Real Life Cyril G. Hopkins
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Nitrogen Bacteria and Legumes Cyril G. Hopkins
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The Farm That Won't Wear Out Cyril G. Hopkins
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The Wonder Book of Volcanoes and Earthquakes Edwin J. Houston
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Hovey's Handbook of the Mammoth Cave of Kentucky Horace Carver Hovey
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Ducks and Geese: Standard Breeds and Management George E. Howard
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A Review of the Resources and Industries of the State of Washington, 1909 Ithamar M. Howell
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A Pictorial Booklet on Early Jamestown Commodities and Industries J. Paul Hudson
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The Geological Story of the Isle of Wight J. Cecil Hughes
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Notes on the Fenland; with A Description of the Shippea Man Thomas McKenny Hughes
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Volcanoes: Past and Present Edward Hull
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The Atom and the Ocean E. W. Seabrook Hull
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Views of nature: or Contemplations on the sublime phenomena of creation Alexander von Humboldt
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4. (German) Alexander von Humboldt
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Ideen zu einer Physiognomik der Gewächse (German) Alexander von Humboldt
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Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 1. (German) Alexander von Humboldt
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Alexander von Humboldt and Aimé Bonpland
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 Alexander von Humboldt and Aimé Bonpland
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The Pecan and its Culture H. Harold Hume
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The principles and objects of geology, with special reference to the geology of Egypt W. F. Hume
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Practical Farm Buildings: Plans and Suggestions Andrew Frederick Hunter