| Call number | Item |
| Q | Science (Go to start of category) |
| QH-QR | Biological Sciences (Go to start of category) |
| QL | Zoology (Go to start of category) |
| QL751 .A5 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Concerning Animals and Other Matters (London: J. Murray, 1914), by Edward Hamilton Aitken (Gutenberg text and illustrated HTML) |
| QL751 .B36 1910 | Dan Beard's Animal Book and Camp-Fire Stories (new and enlarged edition; Chicago: M. A. Donohue and Co., 1910), by Daniel Carter Beard (multiple formats at archive.org) |
| QL751 .H65 | The Minds and Manners of Wild Animals: A Book of Personal Observations, by William T. Hornaday (Gutenberg text) |
| QL751 .S5 | Wild Animals at Home (Garden City, NY: Doubleday, Page and Co., 1923), by Ernest Thompson Seton (Gutenberg text, illustrated HTML, and page images) |
| QL751 .W25 | Instinct Displayed in a Collection of Well-authenticated Facts, Exemplifying the Extraordinary Sagacity of Various Species of the Animal Creation (5th edition; London: Darton and Harvey, 1836), by Priscilla Wakefield (multiple formats at archive.org) |
| QL752 .D57 1993 | Distance Sampling: Estimating Abundance of Biological Populations (c1993), by S. T. Buckland, David R. Anderson, Kenneth P. Burnham, and J. L. Laake (PDF files with commentary at colostate.edu) |
| QL755 .B44 | Hibernation and Marmot Physiology (Carnegie Institution of Washington publication #497; 1938), by Francis Gano Benedict and Robert C. Lee (multiple formats at archive.org) |
| QL756 .H84 | The Industries of Animals (London: W. Scott, 1893), by Frédéric Houssay (PDF at djm.cc) |
| QL757.A1 .J5 | Journal of Helminthology (partial serial archives) |
| QL757 .A14 | Annales de Parasitologie Humaine et Comparée (in French) (full serial archives) |
| QL757 .A3 | Parasitology (partial serial archives) |
| QL757 .A35 | Parasitology Open (full serial archives) |
| QL757 .J68 | The Journal of Parasitology (partial serial archives) |
| QL757 .P253 | Parasite (full serial archives) |
| QL761 .B6 | Das Liebesleben in der Natur: Eine Entwickelungsgeschichte der Liebe (in German; Jena: E. Diederichs, 1921), by Wilhelm Bölsche (multiple formats at archive.org) |
| QL762 .M37 2010 | Maternal Control of Development in Vertebrates: My Mother Made Me Do It! (San Rafael, CA: Morgan and Claypool, 2010), by Florence Louise Marlow (illustrated HTML at NIH) |
| QL765 .B6813 1740 | A Philosophical Amusement Upon the Language of Beasts and Birds: Written Originally in French by Father Bougeant, a Famous Jesuit, Now Confined at La Fleche, on Account of This Work (second edition corrected; London: Printed for T. Cooper, 1740), by G.-H. Bougeant |
| QL765 .G23 | The Speech of Monkeys (London: W. Heinemann, 1892), by R. L. Garner (Gutenberg text and illustrated HTML) |
| QL785 .A45 2014 | Animal Experience (online edition; first published 2014), ed. by Leon J. Niemoczynski and Stephanie Theodorou (HTML at livingbooksaboutlife.org) |
| QL785 .G3 | The Modern Cat, Her Mind and Manners: An Introduction To Comparative Psychology (New York: Macmillan, 1928), by Georgina Stickland Gates (page images at HathiTrust) |
| QL785 .R7 1883 | Mental Evolution in Animals (with a posthumous essay on instinct by Darwin; London: Kegan Paul, Trench, and Co., 1883), by George John Romanes, contrib. by Charles Darwin (multiple formats at archive.org) |
| QL785 .S83 1986 | Maternal Deprivation Experiments in Psychology: A Critique of Animal Models (1986), by Martin L. Stephens (illustrated HTML at aavs.org) |
| QL785 .T5 | Animal Intelligence, by Edward L. Thorndike (illustrated HTML at York) |
| QL791 .B39 1945 | My Animal Babies (Boston: Little, Brown and Co., 1945), by Belle J. Benchley (page images at HathiTrust) |
| QL791 .B94 | The Burgess Animal Book for Children, by Thornton W. Burgess (Gutenberg text and audio reading) |