found: Florilegium musicum
found: Kirnberger, J.P. Acht Fugen für Cembalo oder Orgel, c1973:t.p. (Hugo Ruf, editor)
found: Handel, G.F. 4 Sonatas for recorder and continuo [SR] 1961:labels (Hugo Ruf, harpsichord)
found: Kurzgefasstes Tonkünstler-Lexikon, 15th ed.(Hugo Ruf, born 9 Apr. 1925)
found: Schott Music, via WWW, viewed September 8, 2014(Hugo Ruf; born April 9, 1925, Schramberg/Wüttemberg, died November 1, 1999, Brauweiler near Cologne; taught harpsichord at the Hochschule für Musik Köln 1967-1990; he was also known as publisher and editor) - http://www.schott-music.com/shop/persons/az/hugo-ruf/
