The following sources are gratefully acknowledged.

Notes compiled by Eric Favelle from the Qantas Maintenance and Flying Record Log
Notes compiled by Gordon Reid
Notes compiled by Ron Cuskelly
"Aviation Letter" (Lundkvist Aviation Research) [Ref AL in table]
"Qantas Commemorative Airmails" by Peter A. Turner (Privately published) 1992 [Ref PAT in table]
"Airliner Production List" by Nigel M. Tomkins & Ricky-Dene Halliday (Aviation Data Centre) various issues
"The Civil Aircraft Registers of Great Britain 1919-1985" by John Appleton (The Aviation Hobby Shop) 1986
"The Historic Civil Aircraft Register of Australia VH-EAA to VH-EZZ" by Tony Arbon and David Sparrow (AustAirData)
"Wings to the World" by Sir Hudson Fysh (Angus & Robertson) 1970 [Ref WTW in table]
"High Corridors" by John Gunn (University of Queensland Press) 1988
"The Boeing 707 & 720" (Air-Britain Historians) 1972
"Boeing Aircraft Since 1916" by Peter M. Bowers (Putnam) 1966
"Airliners in Australian Service Vol. 1" by Eric Allen (Aerospace Publications) 1995
"Boeing 707, Douglas DC-8 & Vickers VC-10" by Stewart Wilson (Aerospace Publications) 1998
"Bulletin 707" by Hurturk Aviation Information Services Inc [Ref HAI in table]
"World Directory of Airliner Crashes" by Terry Denham (Patrick Stephens Ltd) 1996
"British Independent Airlines since 1946" by A.C. Merton Jones (LAAS & MAS) 1976
Boeing 707 Database maintained online by Servaas Verbrugge
"Where Are They Now?" Database maintained by David Bromage
jetphotos.net Database
Joint-STARS www.globalsecurity.org