| Call number | Item |
| S | Agriculture (Go to start of category) |
| S661 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Organic Gardener's Composting, by Steve Solomon |
| S661 .H6 | An Agricultural Testament (1943 edition), by Albert Howard (text in Australia; NO US ACCESS) |
| S661 .P45 | The Compost Manufacturers Manual: The Practice of Large Scale Composting (Philadelphia: Pfeiffer Foundation, c1956), by Ehrenfried Pfeiffer (page images at HathiTrust) |
| S663 .H76 | The Waste Products of Agriculture (1931), by Albert Howard and Yeshwant D. Wad (text in Australia; NO US ACCESS) |
| S671 .S73 | Seven Decades That Changed America: A History of the American Society of Agricultural Engineers, 1907-1977 (c1979), by R. E. Stewart (PDF at Cornell) |
| S675 .A56 | Rudimentary Treatise on Agricultural Engineering (3 volumes; London: J. Weale, 1852-1853), by G. H. Andrews |
| S675 .F377 1947 | Farm Practices: Plowing, Harrowing, Planting, Cultivating (second edition, 1947), by Allis-Chalmers Manufacturing Company Tractor Division (page images at HathiTrust) |
| S676 .J65 1939 | Farm Shop Practice (New York and London: McGraw-Hill Book Co., 1939), by Mack M. Jones (page images at HathiTrust) |
| S676 .P48 1946 | Farm Mechanics Text and Handbook (Danville, IL: The Interstate, 1946), by Glen Charles Cook, L. L. Scranton, and H. F. McColly (page images at HathiTrust) |
| S679 .B3 | Vertical Farming (Wilmington: E. I. duPont de Nemours Powder Co., c1915), by Gilbert Ellis Bailey (page images at HathiTrust) |
| S760.B7 C55 | The Mechanization of Agriculture in Brazil (Gainesville: University of Florida Press, 1969), by Harold M. Clements (page images at Florida) |
| S900 .C653 | Conservation and Society (2003-) (full serial archives) |
| S916.C5 S87 2010 | A Sustainable Chesapeake: Better Models for Conservation (Arlington, VA: The Conservation Fund, 2010), ed. by David G. Burke and Joel E. Dunn (PDF files with commentary at conservationfund.org) |
| S930 .P25 | The Civilian Conservation Corps and the National Park Service, 1933-1942: An Administrative History (1985), by John C. Paige (illustrated HTML at National Park Service) |
| S944.5.A87 2001 | Is Our Project Succeeding? A Guide to Threat Reduction Assessment for Conservation, by Richard Margolius and Nick Salafsky (PDF at bsponline.org) |
| S944.5 .P78 P37 2012 | Parks, Peace, and Partnership: Global Initiatives in Transboundary Conservation (Calgary: University of Calgary Press, 2012), ed. by Michael S. Quinn, Len Broberg, and Wayne A. Freimund (PDF at University of Calgary) |
| S954 .U6 K4 | Land, Wood, and Water (New York: Fleet Pub. Corp., c1960), by Robert S. Kerr, ed. by Malvina Stephenson and Tris Coffin, contrib. by Lyndon B. Johnson (page images at HathiTrust) |
| S964 .U6 L46 1972 | Wildlife in Alaska: An Ecological Reconnaissance (originally published 1953; reprinted Westport, CT: Greenwood Press, 1972), by A. Starker Leopold and F. Fraser Darling (page images at HathiTrust) |
| SB | Plant Culture (Go to start of category) |
| SB1 .E3 | Economic Botany (partial serial archives) |
| SB1 .F55 | Proceedings of the Florida State Horticultural Society (full serial archives) |
| SB1 .G2 | Garden and Forest (1888-1897) (full serial archives) |
| SB1 .G24 | The Garden Magazine (1905-1924) (full serial archives) |
| SB1 .G24 1924 | Garden and Home Builder (full serial archives) |
| SB1 .H86 | Horticulture (partial serial archives) |
| SB1 .N3 1922 | The National Horticultural Magazine (full serial archives) |