found: Work cat.: D'Angelico : John D'Angelico, master guitar builder : what's in a name?, 2008:p. 9 (finest builder of arch-top guitars)
found: D'Angelico Guitars Web site, Jan. 13, 2009:About D'Angelico (Master luthier John D'Angelico is universally regarded as the finest archtop guitar builder that ever lived)
found: Grove music online, Jan. 13, 2009:under Guitar > Variants of the classical guitar (The makers of these [arched-top acoustic guitars] have been principally American; D'Angelico, set up by John D'Angelico, who had trained as a violin maker, in New York in 1932)
