| 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) |
| QL757 .A35 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) 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) |
| QL791 .E2 | Friends and Helpers (1899), ed. by Sarah J. Eddy (Gutenberg text) |
| QL791 .F5 1881 | Life and Her Children: Glimpses of Animal Life from the Amoeba to the Insects (New York: D. Appleton, 1881), by Arabella B. Buckley (multiple formats at archive.org) |
| QL791 .H2 | Chapters on Animals (Boston: Roberts Bros., 1874), by Philip Gilbert Hamerton, illust. by Jules Jacques Veyrassat and Karl Bodmer |
| QL791 .H39 | Those Other Animals, by G. A. Henty, illust. by Harrison Weir (multiple formats at archive.org) |
| QL791 .L8 | Beasts of the Field, by William J. Long (illustrated HTML at kellscraft.com) |
| QL791 .L82 | A Little Brother to the Bear, and Other Animal Studies, by William J. Long (illustrated HTML at Gateway to the Classics) |
| QL791 .L85 | School of the Woods: Some Life Studies of Animal Instincts and Animal Training (Boston: Ginn and Company, c1902), by William J. Long, illust. by Charles Copeland (illustrated HTML at Gateway to the Classics) |
| QL791 .L87 | Secrets of the Woods, by William J. Long (Gutenberg text) |
| QL791 .L87 1902 | Secrets of the Woods (Boston and London: Ginn and Company, 1902), by William J. Long (illustrated HTML at Gateway to the Classics) |
| QL791 .L89 | Ways of Wood Folk (first series; Boston: Ginn and Co., 1902), by William J. Long (Gutenberg text and illustrated HTML) |
| QL791 .L92 | Wilderness Ways (second series; Boston: Ginn and Company, 1900), by William J. Long, illust. by Charles Copeland (Gutenberg text and illustrated HTML) |