• Chapter 1    - Summary & acknowledgements
• Chapter 2    - The report
• Chapter 3    - Sources & materials
• Chapter 4    - Possible explanations
• Chapter 5    - Conclusions & questions
• Additional sources
• Appendix A  - Weather data
• Appendix B  - Witness statements extracts
• Appendix C  - Similar reports

(Other sources are cited or directly linked in the text)

Printed references

• BOWEN, Charles, Editorial, Flying Saucer Review, Vol. 27, No. 3 (November 1981).
• BOWEN, Charles, Editorial, Flying Saucer Review, Vol. 27, No. 6 (June 1982).
• CARNELL, J., "BOAC's Flying Jellyfish", FATE Magazine, Vol. 7, No. 11 (November 1954), pp. 16-23.
• CORLISS, W. R., Rare Halos, Mirages, Anomalous Rainbows and Related Electromagnetic Phenomena: A Catalog of Geophysical Anomalies, Glen Arm, MD, Sourcebook Project (1984).
• CRAMP, Leonard G., "Mystery over Labrador", Flying Saucer Review, Vol.1, No. 1 (Spring 1955).
• DURST, C. S. and BULL, G. A., "An Unusual Refraction Phenomenon seen from a High-Flying Aircraft", Meteorological Magazine, Vol. 85, No. 1010 (August 1956), pp. 237-242.
• HOWARD, James, "We Were Shadowed from Outer Space" ("by Capt. James Howard, a B.O.A.C. pilot, as told to Graham Fisher"), Everybody's Weekly, December 11, 1954. See scans at www.ufocasebook.com/1954ufomothership.html.
• HOWARD, James, UFO Sighting Report Form, University of Colorado UFO Project, December 1, 1967 (Project files, Library of the American Philosphical Society, Philadelphia).
• HOWARD, James, "The BOAC Labrador Sighting of 1954", Flying Saucer Review, Vol. 27, No. 6 (June 1982), pp. 2-3.
• HYNEK, Allen J., The Hynek UFO report, Sphere Books, London (1978).
• LALLY, V. E., "Balloons - Types, Flight Profiles and Visibility" in : GILLMOR, D. S. (Editor) and CONDON, E. U. (Director), Scientific Study of Unidentified Flying Objects, Vision Press (1970), pp. 755-761.
• LIDDEL, Urner, "Phantasmagoria or Unusual Observations in the Atmosphere", Journal of the Optical Society of America, 43:314-317 (1953), see www.opticsinfobase.org.
• McDONALD, James E., Prepared Statement, Hearings Before the Committee on Science & Astronautics, US House of Representatives, 90th Congress, July 29, 1968, Symposium on Unidentified Flying Objects, US Govt Printing Office, Washington (1968), p. 46.
• McDONALD, James E., letter to Capt. James HOWARD, January 29, 1969 (4pp.), Colorado University Project files; Library of the American Philosophical Society, Philadelphia.
• NORMAN, Paul, "'Motherships' over Australia", Flying Saucer Review, Vol. 24, No. 5 (March 1979) pp. 9-13.
• PETTERSSEN, S., Introduction to Meteorology, McGraw-Hill (1958).
• TAYLOR, Herbert L., "Queries on the report of the 1954 BOAC sighting", Flying Saucer Review, Vol. 27, No. 6 (June 1982), p. 23.
• THAYER, David G., "Optical and Radar Analyses of Field Cases" in : GILLMOR, D. S. (Editor) and CONDON, E. U. (Director), Scientific Study of Unidentified Flying Objects, Vision Press (1970), pp. 115-176.

Internet pages

• Site with many interesting articles and photographs relating to the Boeing Stratocruiser : www.ovi.ch.
• A great deal of useful theory, history and bibliography, along with some raytracing simulations of interesting and unusual mirages, may be found on Andy Young's mirage pages at mintaka.sdsu.edu.
• Stratocat (Stratospheric Balloon Launches & Sites) : stratocat.com.ar.
• Canadian Weather Office : www.climate.weatheroffice.ec.gc.ca.
• BBC TV interview with Capt. HOWARD, broadcast July 2, 1954 :
  www.youtube.com/...KQJfe8.
• ITV "Strange But True" documentary, 1996, interview with Capt. HOWARD and Air Stewardess Daphne O'REILLY : www.youtube.com/...EEguI.