American Top 40 AT40 Casey Kasem 1974

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WCFL Chicago / 07-07-75 / Ron O'Brien 1/3

KHJ Los Angeles - Johnny Mitchell,Tommy Vance 11-23-65

WABC New York / Dan Ingram / 07-22-67

WABC New York - George Michael 12-19-74

KHJ Los Angeles - The Real Don Steele 02-02-73

KFRC San Francisco - Howard Clark 11-25-66 (partially scoped)

KLIF /WIL/ WAPE composite

KEZR "Easy Rock" San Jose - Steve O' Neill 04-27-1975 / automated unscoped

KFRC San Francisco - Dave Diamond 06-20-68

KKDJ Humble Harve 1974