found: Work cat.: W.P.A. California Folk Music Project Collection, 1939-1940(Swedish lute double guitar)
found: New Grove mus. instr.
found: Marcuse. Musical instruments, 1975.
found: New Grove dict. of mus. WWW site, Mar. 29, 2007(Harp-lute (ii). A generic term for certain types of guitar that developed in England between 1798 and 1828, all slightly shorter than the conventional guitar and characterized by a soundbox 38-45 cm x 33-40 cm x 8-15 cm with a vaulted back. Harp-lute (i) A term used by Hornbostel and Sachs in their system of musical instrument classification for a family of West African chordophones because of their superficial similarity to the Western lute (see Chordophone). In fact they share more characteristics of the harp than the lute)
notfound: Web. 3
