The following books with AQM-34 information were identified so far:
'Lightning Bugs and other reconnaissance drones' by William Wagner, 1982, Aero Publishers / Armed Forces Journal International, ISBN 0-8168-6654-6. Wagner was the Ryan Public and Corporate Relations manager, and was tasked early on to keep an account of Ryan's RPV activities. Most likely the books stops early 1973, when the manuscript was finished, but the Pentagon declared it unsuitable for publication without major rewriting. It took another 9 years for it to be cleared. The book tells a highly detailed account of the development of, and use over Vietnam and China of the Model 147 in all its variations. Most is told from the Ryan perspective, instead of the usual USAF perspective. It does not contain many technical details though. A word on the photos in the book: many Firebees appear totally black, but a few color versions have surfaced, showing bright orange birds! Craig Kaston put forward this theory: They were shot on color negatives. The b&w prints were done on Kodak Polycontrast paper, resulting in weird tone shifts. To properly print b&w photos from color negatives, Panalure paper must be used, but it's much more difficult to process.
'Fireflies and other UAVs' by William Wagner and William Sloan, Midland Publishing, 1992. ISBN 0-942548-54-X (soft cover) and 0-942548-55-8 (hardcover). This book covers all Teledyne-Ryan RPV's up to 1992. It starts off with the AQM-34 in Vietnam, then it covers the Firebee II, the AQM-91A, the Israeli 124I, various target drones, multi-mission UAVs, Compass Cope-R, Firebrand, Firebolt, and all the new drones. Total AQM-34 content is about 20 pages.
'Strategic Reconnaissance 1956-1976', describing the history of the 4080th / 100th SRW. The book was produced by the unit themselves (only 1000 copies) and presented to the members of 100th SRW when it was disbanded and absorbed into the 9th SRW. Of the 250 pages, some 50 are devoted to the AQM-34 / DC-130 / CH-3. It is available in scanned form on the 100th AMMS website
'History of Strategic Drone Operations' by David W. Irvin Jr, Turner Publishing Company, 2003, ISBN 1563118912, hard cover, 128 pages. The book presents an 'inside the Air Force' view of Model 147 operations, which has quite a different flavor than Lightning Bugs. Publisher Turner gets a big minus for not editing the text properly.
'Jane's Pocket Book 13: RPVs: Robot aircraft today', John Taylor, MacDonald and Jane's, 1977. Contains many photos of Model 234/259 BGM-34.
'Jane's Pocket Book of Remotely Piloted Vehicles', US version of the above book, issued by Collier Books, New York, 1977.
Several issues of 'Jane's all the world's aircraft'
'Dark Eagles' by Curtis Peebles covers all of the 'black' programs in detail, such as U-2, SR-71, F-117, as well as unmanned drones such as D-21 and the Ryan Firebees used over Vietnam (344 pages, Presidio Press, 1995, ISBN 0-89141-535-1 (hardback) / 089141696X, 0891416234 and 0743458362 (paperback) )
'Robot Warriors - The top secret history of the pilotless plane', by Hugh McDaid and David Oliver, Orion Media, 1997. I'm not 100% sure, but I believe this book contains one unique color photo of the BGM-34B. All other AQM-34 photos in this book are well-known Firebee photos.
'Attack of the Drones - A History of Unmanned Aerial Combat', by Bill Yenne, Zenith Press, 2004, ISBN 0-7603-1825-5, 126 pages. Has some coverage of the Firebee program.
'Air Force UAVs - The secret history', by Thomas Ehrhard, Mitchell Institute for Airpower Studies, 2010, 84 pages. Considerable coverage of the Firebee program. Downloadable as PDF from the Air Force Association website.
'Buffalo Hunter 1970 - 1972 (CHECO Reports # 50)', by Major Paul W. Elder, HQ PACAF. Analysis of the Firebee operations in Vietnam. Downloadable as PDF from the The Vietnam Center and Archive website.