| 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) |
| QH48 .B84 1904 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) 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 .B9 | The Family Aquarium: or, Aqua Vivarium (New York: Dick and Fitzgerald, c1858), by Henry D. Butler (multiple formats at archive.org) |
| QH68 .G62 1854 | The Aquarium: An Unveiling of the Wonders of the Deep Sea (London: J. Van Voorst, 1854), by Philip Henry Gosse (multiple formats at archive.org) |
| QH68 .G62 1856 | The Aquarium: An Unveiling of the Wonders of the Deep Sea (second edition; London: J. Van Voorst, 1856), by Philip Henry Gosse |
| QH68 .H92 1857 | Ocean Gardens: The History of the Marine Aquarium, and the Best Methods Now Adopted for its Establishment and Preservation (London: Sampson Low, Son, and Co., 1857), by Henry Noel Humphreys (multiple formats at archive.org) |
| QH70 .C8 | Curator (partial serial archives) |
| QH71 .H89 | Allgemeine Einführung in die Naturwissenschaften (second edition, in German; Strasbourg: K. J. Trübner, 1890), by Thomas Henry Huxley, trans. by Oscar Schmidt (page images at HathiTrust) |
| QH71 .V5 A3 | Elenchus Tabularum, Pinacothecarum, Atque Nonnullorum Cimeliorum, In Gazophylacio Levini Vincent (in Latin and French; Haarlem, NL: The author, 1719), by Levinus Vincent, contrib. by Romeyn de Hooghe (multiple formats at archive.org) |
| QH75 .A1 M38 1993 | The Ramsar Convention on Wetlands: Its History and Development (originally published 1993), by G. V. T. Matthews (illustrated HTML at ramsar.org) |
| QH75 .A1 N32 | Biodiversity (1988), ed. by Edward O. Wilson (page images with commentary at NAP) |
| QH75 .A1 T5 | Journal of Threatened Taxa (2009-) (full serial archives) |
| QH75 .C66153 2010 | Conservation Biology for All (Oxford and New York: Oxford University Press, 2010), ed. by Navjot S. Sodhi and Paul R. Ehrlich (PDF with commentary at conbio.org) |
| QH75 .C6818 | Conserving Biodiversity: A Research Agenda for Development Agencies (1992), by National Research Council Board on Science and Technology for International Development (page images with commentary at NAP) |
| QH75 .E26 1986 | Ecological Knowledge and Environmental Problem-Solving: Concepts and Case Studies (1986), by National Research Council Commission on Life Sciences (page images with commentary at NAP) |