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Productive horse husbandry - Gay, Carl Warren (Lippincott, 1920)

Productive horse husbandry - Gay, Carl Warren (J.B. Lippincott Co, 1916)

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Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

Readings from Huxley, ed., with introduction - Huxley, Thomas Henry, 1825 -1895 (Harcourt, Brace and Howe, 1920)

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The Record of zoological literature (J. van Voorst, 1866)

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Reise in Nordost-Afrika. Schilderungen aus dem Gebiete der Beni Amer und Habab nebst zoologischen Skizzen und einem Führer für Jagdreisende - Heuglin, Theodor von, 1824 -1876 (G. Westermann, 1877)

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