| Call number | Item |
| T | Technology (Go to start of category) |
| TL | Motor Vehicles, Air and Space Technology (Go to start of category) |
| TL500 .J6 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Journal of Aviation Technology and Engineering (full serial archives) |
| TL501 .A292 | Aero Digest (partial serial archives) |
| TL501 .A4 | The Aero (partial serial archives) |
| TL501 .A5574 | Air University Review (full serial archives) |
| TL501 .A8 1920 | Aviation and Aircraft Journal (full serial archives) |
| TL501 .A8 1922 | Aviation (1922-1947) (partial serial archives) |
| TL501 .F5 | Flight (partial serial archives) |
| TL501 .N38 | New Horizons (partial serial archives) |
| TL501 .P6 | Flying (partial serial archives) |
| TL501 .R7 | The Aeronautical Journal (partial serial archives) |
| TL501 .R7 1923 | Journal of the Royal Aeronautical Society (partial serial archives) |
| TL501 .U59 | U. S. Air Services (partial serial archives) |
| TL502 .A23 | L'Aéronautique (in French) (partial serial archives) |
| TL503 .A35 | Bulletin, by Aéro-Club Suisse (partial serial archives) |
| TL506 .A1 T56 | TIGHAR Tracks (1985-), by International Group for Historic Aircraft Recovery (partial serial archives) |
| TL506 .U6 K553 | Wright Brothers National Memorial: Historic Resource Study, by William R. Chapman and Jill K. Hanson (PDF files at National Park Service) |
| TL507 .U745 | NASA Technical Translation (partial serial archives) |
| TL509 .P52 | French-English and English-French Dictionary of Aviation (New York: Languages Pub. Co., 1918), by Robert M. Pierce (page images at HathiTrust) |
| TL515 .T95 | Astra Castra: Experiments and Adventures in the Atmosphere (London: Chapman and Hall, 1865), by Hatton Turnor |
| TL515 .V5 | A History of Aeronautics, by Evelyn Charles Vivian (Gutenberg text) |
| TL521 .A2415 | Airport Activity Statistics of Certificated Air Carriers (partial serial archives) |
| TL521 .A3 | Annual Report of the National Advisory Committee for Aeronautics, by United States National Advisory Committee for Aeronautics (partial serial archives) |
| TL521 .A35 | Technical Note (National Advisory Committee for Aeronautics) (partial serial archives) |
| TL521 .B39 | The High-Speed Frontier: Case Histories of Four NACA Programs, 1920-1950, by John Vernon Becker (illustrated HTML at NASA) |
| TL521 .R44 1957 | An Economic Study of the Military Airframe Industry (1957), by Miguel Ángel Reguero (page images at HathiTrust) |