found: New Grove dict. of mus. inst.(Hawaiian guitar (steel guitar))
found: Kanahele, G.S. Hawaiian music and musicians, c1979:p. 365 (Steel guitar; this Hawaiian guitar (kīkā kila) is played by using a sliding steel bar (kīkā: guitar; kila: steel), instead of the fingers, in stopping or pressing the strings against the frets to produce the desired notes or tones.)
found: McCloud, B. Definitive country, 1995(steel guitar; pedal steel guitar)
found: Encyc. of country music, 1998:p. 231-232, under Hawaiian music (Hawaiian steel guitar; steel guitar; Hawaiian guitar)
found: Grove music online, viewed October 17, 2013:under Hawaiian guitar (lap steel guitar; steel guitar)