found: Work cat.: McKay, S. De Havilland DH.60 Moth, 2005:p. 59 (name chosen for the new engine [for the Gipsy Moth variant] was "Gipsy" spelled very specifically with a single "y")
found: Fleet Air Arm Archive www site, 14 Sept. 2006:aircraft database (De Havilland DH-60 Moth was the first in a long line of extremely successful light sporting biplanes; primary role training; the Gipsy Moth was the name given to those examples of the DH 60 Moth powered by the de Havilland Gipsy engine; the Gipsy Moth made a major contribution to private and sport flying between the wars, some were used as trainers by various air forces; Gypsy [sic] Moth)
found: British Aircraft Directory www site, 14 Sept. 2006:British aircraft list (De Havilland Moth; D.H.60 Moth; D.H.60G Gipsy Moth)
found: Wikipedia, 14 Sept. 2006(under De Havilland Gipsy Moth, redirected from De Havilland Moth: the De Havilland DH.60G Gipsy Moth was a variant of the DH.60 Moth)