-
Estonia List of
active Estonian Air
Force aircraft Humberstone 41-45
Gerdessen, Frederik; Kitvel,
Toivo and Tilk, Johannes. "Aeg, mehed, lennukid" Tallinn:...
- July 2018.
Gerdessen, Frederik. "Estonian Air
Power 1918 – 1945". Air Enthusiast, No. 18,
April – July 1982. pp. 61–76. ISSN 0143-5450.
Gerdessen, Frederik;...
- 1945 to the Present. New York:
Facts on File, 1990. ISBN 0-8160-2356-5.
Gerdessen, Frederik. "Estonian Air
Power 1918–1945". Air Enthusiast, No. 18, April–July...
- St. Paul, MN:
Phalanx Publishing Co. Ltd., 1994. ISBN 1-883809-05-3.
Gerdessen, Frits.
Nederlandse Militaire Luchtvaartt VI:
Fokker D-XXI (deel 2) (in...
- Hs 126.
Gerdessen, Frederik. "Estonian Air
Power 1918 – 1945". Air Enthusiast, No. 18,
April – July 1982. pp. 61–76. ISSN 0143-5450.
Gerdessen, F. Versatile...
- McCook, but none were
built by a contractor.
Bruce 13
April 1956, p. 423.
Gerdessen 1982, p. 76.
Bruce 13
April 1956, p. 425.
Andersson Air
Enthusiast July/August...
- Strutter".
Historie a plastikové modelářství. IX (11): 18–20. ISSN 1210-1427.
Gerdessen 1982, pp. 64, 76.
Jarrett 2009, p. 64.
Morareau 1990, p. 16
Jarrett 2009...
- Ltd. Garrison,
Peter (March 2010). "Head Skunk". Air &
Space Magazine.
Gerdessen,
Frederik (April 1982). "Estonian Air
Power 1918 – 1945". Air Enthusiast...
- ISBN 1-52672-309-3
Gerdessen, F (July–August 1999). "Round-Out: More Windfalls". Air Enthusiast. No. 82. pp. 79–80. ISSN 0143-5450.
Gerdessen, Frederik. "Estonian...
- 2013 at the
Wayback Machine RAF Museum, Retrieved: 28
December 2017.
Gerdessen 1982, p. 76. Hare 1990, pp. 266–267.
Bruce 1954, p. 581. Bruce, J.M. "The...