found: Ruggiero Ricci, p1992:label (Ivor Keyes, harpsichord)
found: Schubert, F. P. Gretchen vor der Mater dolorosa, 1951.
found: New Grove(Keys, Ivor (Christopher Banfield); b. Mar. 8, 1919, Littlehampton, Sussex; English musician and educationist)
found: Int. ww in mus., 16th ed.(Keys, Ivor)
found: www.catless.ncl.ac.uk/obituary(Ivor Keys; b. Mar. 8, 1919; d. July 6, 1995)
found: Grove music online, viewed March 28, 2014(Keys, Ivor (Christopher Banfield); born March 8, 1919, Littlehampton, Sussex; died July 7, 1995, Birmingham; English musician (pianist, organist, harpsichordist, conductor, composer) and educationist)