J.R. Richard, power pitcher for Astros in '70s, dies at 71 - The Boston Globe
Houston Astros 1974 JR Richard Game Worn Jersey #50 Zip Up Used Wilson made USA
Lot Detail - 1974 J.R. Richard Houston Astros Game-Used Shooting Stars Home Jersey
Lot Detail - 1972 J.R. Richard Houston Astros Game-Used & Autographed Road Jersey (JSA • HA Documentation)
The greatest skill all 30 MLB teams have ever drafted -- A-Rod's bat or Griffey's power? Strasburg's heat or Harper's pop? - ESPN
ZiPS Time Warp: J.R. Richard
Obituary: J.R. Richard (1950-2021) – RIP Baseball
Houston Astros - Wikipedia
Lot Detail - 1972 J.R. Richard Houston Astros Game-Used & Autographed Road Jersey (JSA • HA Documentation)
Julien's Auctions
The Saga of J.R. Richard's Debut: Blowing Away 15 Sticks at Candlestick – Society for American Baseball Research
Framber Valdez Stats, Fantasy & News
Topps in 1972, Part 1 – SABR's Baseball Cards Research Committee
Houston Astros - Wikipedia