Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1878)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1880)

Text-book of comparative anatomy - Lang, Arnold, 1855 -1914 (Macmillan and Co, 1891)

Text-book of elementary zoology, for secondary educational institutions - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1910)

Text-book of embryology - Heape, Walter, 1855 -1929 (Macmillan, 1914)

A text-book of invertebrate morphology - McMurrich, J. Playfair (James Playfair), 1859 -1939 (H. Holt and Company, 1894)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1900)

Text-book of paleontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan and Co., limited, 1913)

Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonnenschein and co., ltd, 1895)

Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonneschein and co., ltd, 1899)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

A textbook of invertebrate morphology - McMurrich, J. Playfair (James Playfair), 1859 -1939 (H. Holt, 1896)

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

Through unknown African countries; the first expedition from Somaliland to Lake Lamu - Gregory, J. W. (John Walter), 1864 -1932 (E. Arnold, 1897, 1897)

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

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1878)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1886)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1887)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1889)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1891)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1892)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1953)

Trabajos de oceanografía y biologia marina ([Instituto Español de Oceanografía?], 1916)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

Trait©♭ de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1899)

Traité d'embryologie et d'organogénie comparées - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Baillière, 1883)

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)

Traité de zoologie - Claus, Carl, 1835 -1899 (F. Savy, 1884)

Traité de zoologie concrète - Delage, Yves, 1854 -1920 (Schleicher, 1897)

Traité de zoologie concrète - Delage, Yves, 1854 -1920 (Schleicher, 1903)

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

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1897)

Transactions and proceedings and report of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1880)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1889)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1890)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1891)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1903)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1911)

Transactions of the American Entomological Society and proceedings of the Entomological Section of the Academy of Natural Sciences - American Entomological Society. (The Society, 1882)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1884)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1882)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1891)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1888)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1883)