1970 Topps: Chillin' – SABR's Baseball Cards Research Committee
2023 Topps Heritage Turns Back the Clock to 1974 - Metsmerized Online
Bud Harrelson: All Time Mets Shortstop: Part Three (1974 - Present)
The Sports Bookie: Bob D'Angelo's Books & Blogs - Bob D'Angelo's Books & Blogs
1972 Topps Baseball Cards Set checklist, prices, values & information
bud harrelson 30-Year Old Cardboard
Bud Harrelson Baseball Cards
Bud Harrelson Baseball Stats by Baseball Almanac
Tee-Ball All-Star – SABR's Baseball Cards Research Committee
Meet the (Champion) Mets: It Was All in the Cards - The New York Times
2023 Topps Heritage Turns Back the Clock to 1974 - Metsmerized Online
Vintage 1976 Topps Baseball Cards. Lot of 132 Cards. Cards
Bud Harrelson - Baseball Stats - The Baseball Cube