| Call number | Item |
| T | Technology (Go to start of category) |
| TP | Chemical Technology (Go to start of category) |
| TP963 .U5 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Superphosphate: Its History, Chemistry, and Manufacture (Washington: US Dept. of Agriculture, 1964), by United States. Agricultural Research Service. Soil and Water Conservation Research Division and Tennessee Valley Authority Office of Agricultural and Chemical Development |
| TP968 .L2 | Glue, Gelatine and Their Allied Products: A Practical Handbook for the Manufacturer, Agriculturist, and Student of Technology (London: C. Griffin and Co., 1905), by Thomas Lambert (multiple formats at archive.org) |
| TP968 .R4 | Modern Glues and Glue Testing (Other Than Waterproof Glues) (with "Glue Room Equipment and the Use of Glue"; Grand Rapids, MI: Periodical Pub. Co., c1922), by Clyde Harry Teesdale and C. Mortimer Bezeau (multiple formats at archive.org) |
| TP968 .R54 | Glue and Glue Testing (London: Scott, Greenwood and Co., 1900), by Samuel Rideal |
| TP968 .S82 1996 | Thin-Layer Chromatography for Binding Media Analysis (Los Angeles: Getty Conservation Institute, c1996), by Mary F. Striegel and Jo Hill (page images and PDF with commentary at getty.edu and Google) |
| TP983 .A1 S6 | Journal of the Society of Cosmetic Chemists (full serial archives) |
| TP983 .A1 S6 1998 | Journal of Cosmetic Science (partial serial archives) |
| TP983 .A77 | Perfume and Flavor Materials of Natural Origin (1960), by Steffen Arctander (page images at HathiTrust) |
| TP983 .C77 | The Toilet and Cosmetic Arts in Ancient and Modern Times: With a Review of the Different Theories of Beauty, and Copious Allied Information, Social, Hygienic, and Medical (London: R. Hardwicke, 1866), by Arnold James Cooley |
| TP983 .C93 | Perfumery and Kindred Arts: A Comprehensive Treatise on Perfumery (Philadelphia: H. C. Baird, 1877), by R. S. Cristiani (multiple formats at archive.org) |
| TP990 | A Technical Treatise on Soap and Candles, With a Glance at the Industry of Fats and Oils (Philadelphia: H. C. Baird, 1881), by R. S. Cristiani (PDF and zipped uncorrected OCR files at rawlaw.org) |
| TR | Photography (Go to start of category) |
| TR1 .A14 | The Australasian Photo-Review (issues online 1899-1954) (partial serial archives) |
| TR1 .A38 | Amateur Photographer (partial serial archives) |
| TR1 .A58 | American Photography (partial serial archives) |
| TR1 .B8 | British Journal of Photography (partial serial archives) |
| TR1 .I65 | International Photographer (partial serial archives) |
| TR1 .P554 1889 | The Beacon (American photography journal, 1889-1892) (partial serial archives) |
| TR1 .P554 1893 | The Photo-Beacon (partial serial archives) |
| TR1 .P63 | Photo-Era (partial serial archives) |
| TR1 .P778 | Royal Photographic Society Journal (partial serial archives) |
| TR7 .E32 | Abridged Scientific Publications from Kodak Laboratories (partial serial archives) |
| TR7 .H5 1850 | The Daguerreian Journal (partial serial archives) |
| TR7 .H5 1852 | Humphrey's Journal (partial serial archives) |
| TR7 .H58 | La Métrophotographie (in French; Paris: Gauthier-Villars, 1899), by A. Laussedat (page images and PDF at cnam.fr) |
| TR15 .H578 | Ars Magna Lucis et Umbrae (in Latin; Rome: Sumptibus H. Scheus, 1646), by Athanasius Kircher (page images in Germany) |