SI Vault: Nolan Ryan's seven no-hitters remembered by his catchers - Sports Illustrated
The Ryan Express: How Nolan Ryan became a Texas baseball legend
Second no-hitter of season belongs to Angels rookie Detmers - The San Diego Union-Tribune
WHEN TOPPS HAD (BASE)BALLS!: NO-HITTERS SPECIAL SUB-SET: NOLAN RYAN, MAY 15TH, 1973
Nolan Ryan tosses his fourth no-hitter
A look back at Nolan Ryan's seven career no-hitters – MATT VEASEY
1979 Angels Week 3: Nolan Ryan named AL Player of the Week - Halos Heaven
Angels' Ervin Santana twirls no-hitter vs. Tribe - Jamestown Sun
Angels Nolan Ryan Pitches His Second No Hitter of the Year
August 7, 1974: Nolan Ryan loses no-hitter, game in 9th to White Sox – Society for American Baseball Research
9 Unbelievable Facts About Nolan Ryan
Nolan Ryan Was Earning $200,000 After Two 20 Win Seasons, Four No-Hitters