System of ophthalmology - Duke-Elder, Stewart, Sir, 1898 -1978 (Mosby, 1958)

Systematische phylogenie - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1896)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1974)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1987)

Taxonomic keys to plant, soil and aquatic nematodes - Cairns, Eldon James, 1920 - (Alabama Polytechnic Institute, 1959)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1914)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1917)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1972)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1985)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1987)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1995)

A text-book in general zoölogy - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American Book Company, 1907)

A text-book in general zoölogy - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American book company, 1922)

A text-book in general zoölogy - Linville, Henry R. (Henry Richardson), 1866 -1941 (Ginn, 1906)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1913)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1899)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and Sons, 1899)

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

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

A text-book of entomology, including the anatomy, physiology, embryology and metamorphoses of insects, for use in agricultural and technical schools and colleges as well as by the working entomologist - Packard, A. S. (Alpheus Spring), 1839 -1905 (The Macmillan company, 1898)

A text-book of entomology including the anatomy, physiology, embryology and metamorphoses of insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Macmillan, 1909)