A theory of development and heredity - Orr, Henry B. (Macmillan, 1893)

The theory of evolution in the light of facts - Frank, Karl, 1875 -1950 (Kegan Paul, Trench, Trübner & co., ltd, 1913)

The theory of evolution in the light of facts - Wasmann, Erich, 1859 -1931 (Kegan Paul, Trench, Trubner & co, 1913)

The theory of evolution : with special reference to the evidence upon which it is founded - Scott, William Berryman, 1858 -1947 (Macmillan, 1917)

The theory of evolution, with special reference to the evidence upon which it is founded - Scott, William Berryman, 1858 -1947 (Macmillan, 1920)

Das Thierreich geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und als Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (Druck und Verlage von G. Reimer, 1846)

Thomas H. Huxley - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (Dent, 1907)

Thomas H. Huxley - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (E.P. Dutton & Co, 1907)

Three kingdoms. A handbook of the Agassiz Association - Ballard, Harlan H. (Harlan Hoge), 1853 -1934 (The Writers Publishing Company, 1888)

Tier-und Pflanzenleben der Nordsee - Biologische Anstalt Helgoland. (W. Klinkhardt, 1922)

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

Tierleben der Hochsee; Reisebegleiter für Seefahrer - Apstein, C. (Carl Heinrich), 1862 -1950 (Lipsius & Tischer, 1905)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1898)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1899)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1900)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1901)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1902)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1903)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1904)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1905)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1910)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1909)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1911)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1912)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1913)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1915)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1916)

Das Tierreich - Heck, Ludwig, 1860 -1951 (W. Pauli, 1894)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1893)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1896)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1909)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1920)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1932)

Tissue respiration in invertebrates - American Museum of Natural History (American Museum of Natural History, 1963)

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

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

Traité de zoologie concrète - Delage, Yves, 1854 -1920 (Schleicher, 1898)

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

Traité de zoologie concrète : leçons professées à la Sorbonne - Delage, Yves, 1854 -1920 (Schleicher Frères, 1898)

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1899)

Transactions - American Microscopical Society (1913)

Transactions - American Microscopical Society (1921)

Transactions - American Microscopical Society (1879)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1904)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1914)

Transactions and proceedings and report of the Philosophical Society of Adelaide, South Australia - Philosophical Society of Adelaide. (The Society, 1877)

Transactions and proceedings and report of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1884)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1872)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1875)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1885)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1886)

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, 1911)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1922)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1936)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1901)

Transactions of the agricultural societies of Massachusetts - Massachusetts. Secretary of the Commonwealth. (Dutton and Wentworth, [etc.], 1849)

Transactions of the American Philosophical Society - American Philosophical Society. (1905)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1893)

Transactions of the Anthropological Society of Washington - Anthropological Society of Washington (Washington, D.C.) (Kraus Reprint Co, 1882)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1914)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1900)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1899)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1901)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1902)