| 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) |
| QH87.3 .B37 1997 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Economic Valuation of Wetlands: A Guide for Policy Makers and Planners (originally published 1997), by Edward Barbier, M. C. Acreman, and Duncan Knowler (HTML and PDF at ramsar.org) |
| QH87.3 .W475 | Wetlands: Characteristics and Boundaries, by National Research Council Water Science and Technology Board (page images and partial HTML at NAP) |
| QH91 .A1 U485 | Understanding Marine Biodiversity: A Research Agenda for the Nation (1995), by National Research Council Ocean Studies Board (page images with commentary at NAP) |
| QH91 .H6 | Sea-Side Walks of a Naturalist With His Children (London: Groombridge and Sons, 1870), by W. Houghton (page images at HathiTrust) |
| QH91 .M65 1994 | Molecular Biology in Marine Science: Scientific Questions, Technological Approaches, and Practical Implications (1994), by National Research Council Ocean Studies Board (page images with commentary at NAP) |
| QH91.5 .W3 | Wonders of the World Between the Tides (New York: Dodd, Mead and Co., c1961), by Norman Hammond Wakeman (page images at HathiTrust) |
| QH91.8 .P5 S77 1983 | The Fertile Fjord: Plankton in Puget Sound (c1983), by Richard M. Strickland (PDF files at Washington) |
| QH95 .C3 | Bulletin of the Scripps Institution of Oceanography of the University of California (full serial archives) |
| QH96.A1 L5 | Limnologica (partial serial archives) |
| QH101 .K5 | The Western World: Picturesque Sketches of Nature and Natural History in North and South America, by William Henry Giles Kingston (Gutenberg text and illustrated HTML) |
| QH102 .C2 N2 1731 | The Natural History of Carolina, Florida and the Bahama Islands (first edition, 2 volumes; London: Printed at the expense of the author, 1731), by Mark Catesby |
| QH102.C2 N2 1731 | The Natural History of Carolina, Florida and the Bahama Islands (based on the 2-volume first edition, published 1731-1743), by Mark Catesby, ed. by Louise Hope (illustrated HTML with commentary at fiftywordsforsnow.com) |
| QH102 .C2 N2 1754 | The Natural History of Carolina, Florida and the Bahama Islands (2 volumes; London: Printed for C. Marsh et al., 1754), by Mark Catesby |
| QH102 .C2 N2 1771 | The Natural History of Carolina, Florida, and the Bahama Islands (2 volumes; London: Printed for B. White, 1771), by Mark Catesby |
| QH104 .A8 1986 | Assessing Biological Diversity in the United States: Data Considerations (1986), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| QH104 .F72 1996 | Freshwater Ecosystems: Revitalizing Educational Programs in Limnology (1996), by National Research Council Commission on Geosciences, Environment, and Resources (page images with commentary at NAP) |
| QH104 .O88 | Our Living Resources: A Report to the Nation on the Distribution, Abundance, and Health of U.S. Plants, Animals, and Ecosystems (1995), by United States National Biological Service |
| QH104 .P75 1994 | Priorities for Coastal Ecosystem Science, by National Research Council Ocean Studies Board (page images and partial HTML at NAP) |
| QH104 .S74 | Status and Trends of the Nation's Biological Resources (1998), by United States Geological Survey (PDF files at USGS) |
| QH104.5 .E73 B56 1988 | The Biogeography of the Island Region of Western Lake Erie (Columbus, OH: Ohio State University Press, c1988), ed. by Jerry F. Downhower (PDF at Ohio State) |
| QH104.5 .N4 H43 | The Living Year (some illustrations may be omitted; New York: Washburn, c1950), by Richard Headstrom, illust. by Anne Marie Jauss (page images at HathiTrust) |
| QH104.5.S59 S3 | The Ecology of Southeastern Shrub Bogs (Pocosins) and Carolina Bays: A Community Profile (1982), by Rebecca R. Sharitz and J. Whitfield Gibbons (page images at HathiTrust) |
| QH104.5 .W4 J65 2003 | Lewis and Clark on the Great Plains: A Natural History (c2003), by Paul A. Johnsgard (illustrated HTML at unl.edu) |
| QH105 .A4 E58 | The Environment of Amchitka Island, Alaska (Oak Ridge, TN: Technical Information Center, Energy Research and Development Administration, 1977), ed. by Melvin L. Merritt and R. Glen Fuller (page images at HathiTrust) |
| QH105.C2 C36 1984 | California Riparian Systems: Ecology, Conservation, and Productive Management (Berkeley: University of California Press, 1984), ed. by Richard E. Warner and Kathleen M. Hendrix (HTML at UC Press) |