| 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 .H3 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) 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) |
| QH75 .P8 1998 | Protection of Global Biodiversity: Converging Strategies (Durham, NC and London: Duke University Press, 1998), ed. by Lakshman D. Guruswamy and Jeffrey A. McNeely, contrib. by Peter H. Raven, Ariel E. Lugo, Robert B. Horsch, Robert T. Fraley, Laura L. Jackson, Gregory Benford, Graciela Chichilnisky, G. M. Heal, Ralph David Simpson, Roger A. Sedjo, John W. Reid, Elinor Ostrom, Walter V. Reid, Anil K. Gupta, Gary H. Toenniessen, S. James Anaya, S. Todd Crider, Ana M. Sittenfeld, Annie Lovejoy, Bryan G. Norton, Mark Sagoff, Christopher D. Stone, Yvonne M. Cripps, and Brent R. Hendricks (page images at HathiTrust) |
| QH75 .T67 1993 | Towards the Wise Use of Wetlands: Report of the Ramsar Convention Wise Use Project (most maps and illustrations omitted; originally published 1993), ed. by T. J. Davis (HTML at ramsar.org) |