| Call number | Item |
| T | Technology (Go to start of category) |
| TN | Mining and Metallurgy (Go to start of category) |
| TN967 .O7 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Beiträge zur Kenntnis Einiger Vorwiegend aus Zoogenen Komponenten Aufgebauter Kalksteine (dissertation in German; Berlin: Gebrüder Borntraeger, ca. 1914), by Otto Bernhard von der Osten-Sacken (page images at HathiTrust; US access only) |
| TN981 .A5 A97 | An Overview of Production of Specific U.S. Gemstones, by Gordon Austin (illustrated HTML at USGS) |
| TN981 .N8 K8 1907 | History of the Gems Found in North Carolina (Raleigh: E. M. Uzzell and Co., 1907), by George Frederick Kunz (illustrated HTML pages at farlang.com) |
| TN990 .C3 | The Diamond (London and New York: John Lane, 1911), by Wallis Richard Cattelle (multiple formats at archive.org) |
| TN990 .C8 | Diamonds (London and New York: Harper and Brothers, 1909), by William Crookes (multiple formats at archive.org) |
| TN990 .H4 | The Book of Diamonds: Their Curious Lore, Properties, Tests and Synthetic Manufacture (New York: Hearthside Press, 1940), by John Willard Hershey (illustrated HTML pages at farlang.com) |
| TN991 .W3 1914 | The Diamond Fields of Southern Africa (Johannesburg: The Transvaal Leader, 1914), by Percy A. Wagner (page images at HathiTrust) |
| TN991 .W5 1905 | Diamond Mines of South Africa (2 volumes; New York: B. F. Buck and Co., 1905), by Gardner Fred Williams |
| TP | Chemical Technology (Go to start of category) |
| TP1 .A6 | Transactions of the American Institute of Chemical Engineers (partial serial archives) |
| TP1 .A644 | Journal of Oil and Fat Industries (full serial archives) |
| TP1 .A644 1927 | Oil and Fat Industries (partial serial archives) |
| TP1 .C317 | Cereal Chemistry (partial serial archives) |
| TP1 .C32 | The Chemical Engineer (full serial archives) |
| TP1 .C33 | The Chemical Age (UK journal, 1919-1981) (partial serial archives) |
| TP1 .C331 | Chemical Age (UK journal, 1919-1981) (full serial archives) |
| TP1 .C35 | Chemical and Engineering News (partial serial archives) |
| TP1 .C35 | Industrial and Engineering Chemistry (partial serial archives) |
| TP1 .C455 | Chemiker-Zeitung (partial serial archives) |
| TP1 .D8 | DuPont Magazine (issues online from 1913-2003) (partial serial archives) |
| TP1 .I6 | Journal of Industrial and Engineering Chemistry (full serial archives) |
| TP1 .J68 | Journal of Chemical Engineering of Japan (full serial archives) |
| TP1 .R38 | Latin American Applied Research (partial serial archives) |
| TP1 .S6332 | Journal of the Society of Chemical Industry (partial serial archives) |
| TP7 .T4 | Chemical Engineering Report (full serial archives) |
| TP149 .M29 1961 | Guide to Precautionary Labeling of Hazardous Chemicals (6th edition, 1961), by Manufacturing Chemists' Association (U.S.) (page images at HathiTrust) |