| Call number | Item |
| Q | Science (Go to start of category) |
| QH-QR | Biological Sciences (Go to start of category) |
| QH | Natural History and Biology (General) (Go to start of category) |
| QH45 .B79 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Histoire Naturelle, Générale et Particulière (36 volumes in French), by Georges Louis Leclerc Buffon (multiple formats at Gallica) |
| QH45 .B931 | Buffon's Natural History: Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c. (10 volumes; 1797 and 1807), by Georges Louis Leclerc Buffon, trans. by James Smith Barr (multiple formats at HathiTrust, archive.org, and Gutenberg) |
| QH46 .H34 1904 | Kunstformen der Natur (2 volumes, in German; Leipzig and Vienna: Bibliographisches Institut, 1904), by Ernst Haeckel |
| QH46 .K4 | Kearton's Nature Pictures: Beautifully Reproduced in Photogravure, Colour, and Black and White from Photographs by Richard and Cherry Keaton (2 volumes; London: Waverley Book Co., ca. 1910), by Richard Kearton, illust. by Richard Kearton and Cherry Kearton |
| QH48 | Facts From the World of Nature, Animate and Inanimate (London: Grant and Griffith, 1848), by Mrs. Loudon (page images at Google) |
| QH48 | The Year-Book of Natural History, for Young Persons (London: John Murray, 1842), by Mrs. Loudon (page images at Google) |
| QH48 .A2 1839 | Rollo's Experiments (Boston: Weeks, Jordan, and Co., c1839), by Jacob Abbott (Gutenberg text, illustrated HTML, and page images) |
| QH48 .A23 1839 | Rollo's Museum (Boston: Weeks, Jordan, and Co., 1839), by Jacob Abbott (Gutenberg text, illustrated HTML, and page images) |
| QH48 .A53 | The Stories Mother Nature Told Her Children, by Jane Andrews (Gutenberg text) |
| QH48 .A53 1898 | The Stories Mother Nature Told Her Children (Boston: Ginn and Company, 1898), by Jane Andrews (HTML at Gateway to the Classics) |
| QH48 .B79 | Outdoor Secrets (Chicago and New York: A. Flanagan, c1903), by Margaret P. Boyle, illust. by Augusta T. Tappan (page images at HathiTrust) |
| QH48 .B84 1904 | Quiet Hours With Nature (London: T. Fisher Unwin, 1904), by Mrs. Brightwen, illust. by Theobald Carreras |
| QH48 .B85 | Rambles with Nature Students (London: Religious Tract Society, ca. 1899), by Mrs. Brightwen, illust. by Theobald Carreras (multiple formats at archive.org) |
| QH48 .H3 | Fairy Roads to Science-Town (New York: Dodd, Mead and Co., c1919), by Mrs. A. S. Hardy, illust. by Helen M. Barton (page images at HathiTrust) |
| QH48 .K57 1869 | The World at Home: or, Pictures and Scenes From Far-Off Lands (London et al.: T. Nelson and Sons, 1869), by Mary Kirby and Elizabeth Kirby (multiple formats at Google) |
| QH48 .L68 G5 1844 | Glimpses of Nature, and Objects of Interest Described, During a Visit to the Isle of Wight (London: Grant and Griffith, 1844), by Mrs. Loudon (page images at Google) |
| QH48 .L68 G5 1848 | Glimpses of Nature, and Objects of Interest Described, During a Visit to the Isle of Wight (second edition; London: Grant and Griffith, 1848), by Mrs. Loudon (Gutenberg text and illustrated HTML) |
| QH48 .M13 | Old Farm Fairies: A Summer Campaign In Brownieland Against King Cobweaver's Pixies (Philadelphia: G. W. Jacobs and Co., 1895), by Henry C. McCook (Gutenberg text and illustrated HTML) |
| QH48 .S4 1922 | Woodland Tales (Garden City, NY: Doubleday, Page and Co., 1922), by Ernest Thompson Seton (Gutenberg text, illustrated HTML, and page images) |
| QH48 .W24 1799 | Mental Improvement: or, The Beauties and Wonders of Nature and Art, in A series of Instructive Conversations (New Bedford, MA: Printed by Abraham Shearman, Jun., for C. Greene and Son, 1799), by Priscilla Wakefield (multiple formats at archive.org) |
| QH49 .C34 | Nature Study With Common Things: An Elementary Laboratory Manual (New York et al.: American Book Co., c1904), by Marion Hamilton Carter (page images at HathiTrust) |
| QH51 .H68 | Nature Study and Life (Boston and London: Ginn and Co., 1902), by Clifton F. Hodge, contrib. by G. Stanley Hall |
| QH53 .V5 | Nature Guiding (Ithaca, NY: Comstock Pub. Co., 1926), by William Gould Vinal (page images at HathiTrust) |
| QH68 .A3 | Aquatic Life (American periodical, 1915-?) (partial serial archives) |
| QH68 .A85 | The Aquarium (Philadelphia, 1912-1914) (partial serial archives) |