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web.archive.org
de Klerk, Theo (26 October 2017). "Barry Gray Discography"(PDF). barrygray.co.uk. p. 22. Archived(PDF) from the original on 22 October 2016. Retrieved 24 June 2018.
Fillis, Mike (October 2001). "Reviews: Region 2". Ultimate DVD. No. 22. London, UK: Visual Imagination. OCLC65428612. Archived from the original on 25 July 2011. Retrieved 3 July 2014.
Pixley, Andrew; Rogers, Julie (December 2001). Gillatt, Gary (ed.). "Captain Scarlet and the Mysterons: By Numbers". Starburst. No. 280. London, UK: Visual Imagination (published November 2001). p. 47. ISSN0955-114X. OCLC79615651.
Fillis, Mike (October 2001). "Reviews: Region 2". Ultimate DVD. No. 22. London, UK: Visual Imagination. OCLC65428612. Archived from the original on 25 July 2011. Retrieved 3 July 2014.
Thomas, Andrew (1994). Leigh, Gary (ed.). "Captain Indestructible!". Dreamwatch. Vol. 1, no. 4 (Winter Special). Brighton, UK: Dreamwatch Publishing. p. 24. ISSN1356-482X. OCLC225907941.