The following magazine articles with AQM-34 content were identified so far, and are listed chronologically:
'USAF widens unmanned aircraft effort' by Barry Miller, Aviation Week, 9 November 1970, six pages. Discusses among other the Model 147 family
'USAF maps RPV future', Armed Forces Journal, May 1972 (cover article)
Aviation Week, 18 September 1972, cover article about BGM-34A fitted with Maverick missile
'New developments spur RPV activities' in Aviation Week, 22 January 1973, three pages
'RPVs to play electronic warfare role' in Aviation Week, 22 January 1973, three pages
'USAF RPV squadron sharpens skills ' in Aviation Week, 22 January 1973, two pages
'Fumbling the facts' by Robert Hotz, Aviation Week, 23 April 1973, five (?) pages. Shows some aerial photos made by Firebees
'A review of the American RPV scene' by Irwin Stambler in Interavia 10/1973, four pages. Discusses among others the Lear Siegler YAQM-34U and the Teledyne-Ryan BGM-34A/B
'USAF readying BGM-34C RPV program', Aviation Week, 4 March 1974, quarter page
(unknown), Armed Forces Journal International, November 1974, article by Robert Schwanhauser about the history of the Model 147 program
Aviation Week & Space Technology, 14 July 1975, has an AQM-34H ground launch photo on the cover, unknown whether it contained a relevant article. The photo was taken a split-second before this photo
'Remotely piloted vehicles - The safe way of going to war', Flight International, 17 September 1977, two pages, available as PDF from the Flight Archive
'Firebee Drone –little known aircraft' in Air Classics Quarterly Review - Volume 4 No 4 (Winter 1977)
'Nerves of Steel - TAC's AQM-34M Reconnaissance RPV', Air Force Magazine, April 1978
'Pilotless over the battlefield' by Mike Gaines, Flight International, 1 December 1979, three pages, half of which dealing with the AQM-34, available as PDF from the Flight Archive
'Tests verify OTH-B radar's ability to detect cruise missiles' by David Hughes and 'USAF to begin operational testing of North warning radar system', Aviation Week & Space Technology, 21 March 1988
'Drone operations in Vietnam' in Warplane issue 48
'Velivoli senza pilota sul Vietnam' by Mauro Fiorini, Rivista Italiana Difesa, August 2010 issue, 16 pages. Article and magazine translate as 'Unmanned airplanes on Vietnam' and 'Italian Defense Magazine'
'Predator e Global Hawk di 40 anni fa' by Mauro Fiorini, Rivista Italiana Difesa, June 2016 issue. Article and magazine translate as 'Predator and Global Hawk of 40 years ago' and 'Italian Defense Magazine'. The article focusses on the BGM-34, YQM-98A and YQM-94A
Since January 2016, Aviation Week has an online archive, that is free in the first year.
Many issues (volumes) of the Ryan Reporter are available on the Internet Archive.