found: Index to record reviews(Camden 100: Warwick Symphony Orchestra [PO])
found: Symphony orchestras of the United States, c1986:p. 344 (Philadelphia Orchestra) p. 345 (founded 1900)
found: Kreisler, F. Kreisler [SR] p1995:container (Victor Symphony Orchestra) notes inserted (For this recording RCA Victor producer Charles O'Connell conducted the Philadelphia Orchestra which, for contractual reasons, was dubbed the "Victor Symphony Orchestra".)
found: Rimsky-Korsakov, N. Russian Easter overture [SR] 1947:labels (Philadelphia Orch.)