found: Scriabin, A.N. 24 preludes, opus 11, for the piano, 1954 (a.e.) caption (Isidor Philipp)
found: LC data base, 6-3-83 (hdg.: Philipp, Isidore, 1863-1958)
found: Encycl. de la musique (Philipp, Isidore)
found: New Grove (Philipp, Isidore; b. Budapest, 9-2-1863; d. Paris, 2-20-1958; French pianist and teacher; went to U.S. at outbreak of W.W. II)
found: Baker, 6th ed. (Philipp, Isidor; brought to France as an infant; returned to France ca. 1955)
found: Alkan, C.V. 1er trio pour piano, violin et basse, op. 30, 198-?: cover (I. Philipp)
found: Saint-Saëns, C. Sonata no. 2 in F major (op. 123). Romanza [SR] 1937?: labels (J. [i.e. I] Philipp, piano)
found: The Gramophone shop encyclopedia of recorded music, 1942: p. 391 (Columbia set X 119: Sonata cello & piano no. 2 in F major, op. 123. 2nd mvt. Romanza & 3rd mvt. Scherzo only: Isidore Philipp, piano)
found: OCLC, April 1, 2002 (hdgs.: Philipp, Isidore, 1863-1958; Philipp, Isidor Edmond; Philipp, Isadore, 1863-1958; Philipp, Isadore Edmond, 1863-1958; usage: Isidore Philipp, Isadore Philipp, I. Philipp, I.E. Philipp)