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Riding recollections - Whyte-Melville, G. J. (George John), 1821 -1878 (Chapman and Hall, 1878)

Rivista di biologia (Università di Perugia, etc, 1920)

Rivista di biologia (Università di Perugia, etc, 1921)

Rivista di biologia (Università di Perugia, etc, 1922)

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The Rod and the gun (The Rod and Gun, 1875)

Romance of natural history - Gosse, Philip Henry, 1810 -1888 (New Amsterdam Book Co, 1902)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1886)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1870)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1871)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1861)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1866)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1862)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1860)

Romance of natural history - Gosse, Philip Henry, 1810 -1888 (New Amsterdam Book Company, 1903)

The romance of natural history - Gosse, Philip Henry, 1810 -1888 (Gould and Lincoln, 1861)

Roosevelt's African trip : the story of his life, the voyage from New York to Mombasa, and the route through the heart of Africa : including the big game and other ferocious animals, strange peoples and countries found in the course of this travels - Unger, Frederic William, 1875 - (W.E. Scull, 1909)

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Rotunda - American Museum of Natural History (American Museum of Natural History, 1998)

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The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

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Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1906)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1908)

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Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1960)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1961)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1963)

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Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1969)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1970)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1972)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1975)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1976)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1977)

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The salt of my life - Aflalo, Frederick G. (Frederick George), 1870 -1918 (Pitman, 1905)

Samuel Brookes's Anleitung zu dem Studium der Conchylienlehre : aus dem Englischen uebersetzt und mit 9 colorirten und 3 Schwarzen Kupfertafeln erlaeutert : bevorwortet und mit einer Tafel über die Anatomie der Flussmuschel vermehrt von Dr. C. Gust. Carus - Carus, Carl Gustav, 1789 -1869 (Ernst Fleischer, 1823)

The savage world : a complete natural history of the world's creatures, fishes, reptiles, insects, birds and mammals : founded upon the theory of the progression of species, and in accordance with genetic revelation, scriptural truths, and the harmony of nature ... - Buel, James W. (James William), 1849 -1920 (Published and manufactured by Historical Publishing Company, 1891)

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SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 1997)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 1998)

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SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 2002)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 2006)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 2016)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 2018)

De sceleto piscium - Hoeven, Jan van der, 1801 -1868 (1822)

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