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A textbook of invertebrate morphology - McMurrich, J. Playfair (James Playfair), 1859 -1939 (H. Holt, 1894)

The Thelephoraceae of North America - Burt, E. A. (Edward Angus), 1859 -1939 (Missouri Botanical Garden, 1914)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1825)

Das Thierreich, geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (F.A. Brockhaus, 1834)

Das Thierreich, geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (F.A. Brockhaus, 1843)

Thoughts on a pebble; or, A first lesson in geology - Mantell, Gideon Algernon, 1790 -1852 (Reeve, Benham, and Reeve, 1849)

Three cruises of the United States Coast and Geodetic Survey steamer "Blake", in the Gulf of Mexico, in the Caribbean Sea, and along the Atlantic coast of the United States, from 1877 to 1880 - U.S. Coast; Geodetic Survey (Houghton, Mifflin and Company, 1888)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1856)

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Tiergeographie auf ökologischer Grundlage - Hesse, Richard, 1868 -1944 (Verlag von Gustav Fischer, 1924)

Tierleben : allgemeine Kunde des Tierreichs - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1911)

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Traité de paléontologie : ou, Histoire naturelle des animaux fossiles : considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (J.-B. Baillière, 1853)

Traité de paléontologie : ou, Histoire naturelle des animaux fossiles considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (J.-B. Baillière, 1857)

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Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1893)

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