| Call number | Item |
| T | Technology (Go to start of category) |
| TL | Motor Vehicles, Air and Space Technology (Go to start of category) |
| TL788.4 .I58 1985 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) 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) |
| TL789 .A1 S286 1954 | Nexus, ed. by James W. Moseley (full serial archives) |
| TL789 .A1 S286 1955 | Saucer News (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) |
| TL789 .R5 | Orrin Lindsay's Plan of Aerial Navigation: With a Narrative of His Explorations in the Higher Regions of the Atmosphere, and His Wonderful Voyage Round the Moon! (New Orleans: Rea's Power Press Office, 1847), by John Leonard Riddell (HTML with commentary at Forgotten Futures) |
| TL789 .R8 | The Report on Unidentified Flying Objects (Garden City, NY: Doubleday and Co., c1956), by Edward J. Ruppelt |
| TL789 .R82 1995 | The Roswell Report: Case Closed (1997), by James McAndrew (PDF at dtic.mil) |
| TL789 .R82 1995 | The Roswell Report: Fact Versus Fiction in the New Mexico Desert (1995), by Richard L. Weaver and James McAndrew (PDF at dtic.mil) |
| TL789 .S614 1998 | How to Make the Most of a Flying Saucer Experience (Baltimore: Top Hat Press, c1998), by Professor Solomon (PDF with commentary at professorsolomon.com) |
| TL789 .U57 | Symposium on Unidentified Flying Objects (1968), by United States House Committee on Science and Astronautics (HTML with commentary at ncas.org) |
| TL789.3 .F47 | My Trip to Mars (Clarksburg, WV: Saucerian Books, 1955), by William Ferguson (HTML with commentary at sacred-texts.com) |
| TL789.3 .M57 | We Met the Space People: The Story of the Mitchell Sisters (Clarksburg, WV: Saucerian Books, 1959), by Helen Mitchell and Betty Mitchell (HTML with commentary at sacred-texts.com) |
| TL789.8.U5 C57 1982 | Civilian Space Policy and Applications (1982), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TL789.8.U5 M36 | Man in Space: Study of Alternatives, contrib. by Harry A. Butowsky |
| TL789.8 .U5 N374 1995 | Managing the Space Sciences (1995), by National Research Council Space Studies Board (page images with commentary at NAP) |
| TL789.8 .U5 N38 1995 | The National Space Transportation Policy: Issues for Congress (OTA-ISS-620; 1995), by United States Congress Office of Technology Assessment |
| TL789.8 .U5 S38 | Science Management in the Human Exploration of Space, by National Research Council Space Studies Board (page images and partial HTML at NAP) |
| TL789.8 .U5 U58 1975 | Apollo Program Summary Report (1975), by United States National Aeronautics and Space Administration (PDF files at NASA) |