Bronnen, noten en/of referenties - ↑ (en) Lodi News-Sentinel, Arnold Palmer Wins Whitemarsh Open.
- ↑ (en) The Times-News, Nicklaus Takes Whitemarsh Open.
- ↑ (en) The Tuscaloosa News, Nicklaus Pockets Philadelphia Loot.
- ↑ (en) Ocala Star-Banner, Don January Captures Philadelphia Classic.
- ↑ (en) The News and Courier, Dan Sikes Grabs Philadelphia Golf. [dode link]
- ↑ (en) The Montreal Gazette, Murphy Wins Philly Golf Playoff.
- ↑ (en) The Montreal Gazette, Dave Hill Wins Philadelphia Open After One-hole Playoff.
- ↑ (en) databasegolf.com, 1970 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1971 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1972 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1973 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1974 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1975 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1976 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1977 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1978 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1979 Results for IVB Philadelphia Golf Classic.
- ↑ (en) databasegolf.com, 1980 Results for IVB Philadelphia Golf Classic.
- (en) PGA IVB Golf Classic History (1970-1980)
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