| Call number | Item |
| T | Technology (Go to start of category) |
| TL | Motor Vehicles, Air and Space Technology (Go to start of category) |
| TL725.3.T7 A4 1982 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Airport and Air Traffic Control System (1982), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TL725.3 .T7 F88 1998 | The Future of Air Traffic Control: Human Operators and Automation, ed. by Christopher D. Wickens, Anne S. Mavor, Raja Pasasuraman, and James P. McGee (page images with commentary at NAP) |
| TL725.3 .T7 H865 1997 | Flight to the Future: Human Factors in Air Traffic Control, ed. by Christopher D. Wickens, Anne S. Mavor, and James P. McGee (page images and partial HTML at NAP) |
| TL726.2 .A592 1984 | Airport System Development (1984), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TL770 | At the Field: Offbeat Stories About R/C Model Airplanes and the People Who Fly Them, by David P. Andersen (PDF and Word with commentary at tcrconline.com) |
| TL778.5 | Colonize Space! Open the Age of Reason (New York: New Benjamin Franklin House, 1985) (PDF at wlym.com) |
| TL781.5.S3 .B54 | Stages to Saturn: A Technological History of the Apollo/Saturn Launch Vehicles, by Roger E. Bilstein (illustrated HTML at NASA) |
| TL783.4 .H6 | How to Design, Build and Test Small Liquid-Fuel Rocket Engines, by Leroy J. Krzycki (illustrated HTML at gramlich.net) |
| TL785 .S58 | Liquid Hydrogen as a Propulsion Fuel, 1945-1959, by John L. Sloop (HTML at NASA) |
| TL785 .W3 | Rocket Propellants (New York: Reinhold Pub. Corp.; London: Chapman and Hall, c1958), by Francis A. Warren (page images at HathiTrust) |
| TL785.8.L3 B53 1989 | Big Dumb Boosters: A Low-Cost Space Transportation Option? (1989), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TL785.8 .L3 L38 1988 | Launch Options for the Future: A Buyer's Guide (OTA-ISC-383; Washington: GPO, 1988), by United States Congress Office of Technology Assessment (PDF files with commentary at Princeton) |
| TL785.8.L3 R43 1988 | Reducing Launch Operation Costs: New Technologies and Practices (OTA-TM-ISC-28; 1988), by United States Congress Office of Technology Assessment (page images at HathiTrust) |
| TL785.8 .S6 C67 | NASA Sounding Rockets, 1958-1968: A Historical Summary (1971), by William R. Corliss (illustrated HTML at NASA) |
| TL787 .J6 | Jonathan's Space Report (1989-), by Jonathan McDowell (full serial archives) |
| TL788.4 .E95 | The Partnership: A History of the Apollo-Soyuz Test Project, by Edward Clinton Ezell and Linda Neuman Ezell (PDF at NASA) |
| TL788.4 .I58 1985 | International Cooperation and Competition in Civilian Space Activities (Washington: GPO, 1985), by United States Congress Office of Technology Assessment |
| TL789 | Project Blue Book (selected declassified microfilm reels, with supplementary material; downloads might not work but page by page browsing view seems to work), by United States (partial serial archives) |
| TL789 .A1 A53 | Ancient Astronauts (7 issues online, published 1975-1977) (partial serial archives) |
| TL789 .A59 | The Secret of the Saucers (Amherst, WI: Amherst Press, 1955), by Orfeo M. Angelucci, ed. by Ray Palmer (HTML with commentary at sacred-texts.com) |
| TL789 .C658 | Final Report of the Scientific Study of Unidentified Flying Objects, by Edward U. Condon and University of Colorado, ed. by Daniel S. Gillmor (HTML at ncas.org) |
| TL789 .J344 1952 | Flying Saucers (c1952), by O. L. Jaggers (PDF at universalworldchurch.org) |
| TL789 .K4 | The Flying Saucers Are Real (New York: Fawcett Publications, 1950), by Donald E. Keyhoe |
| TL789 .M42 | From Outer Space to You (Clarksburg, WV: Saucerian Books, c1959), by Howard Menger (page images at HathiTrust) |
| TL789 .M46 | The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age (Garden City, NY: Doubleday, 1963), by Donald H. Menzel and Lyle Gifford Boyd (page images at HathiTrust) |