Nolan Ryan And His Four Angelic No-Hitters
National Baseball Hall of Fame and Museum - A fourth no-no? No problem for Nolan Ryan. At just 28 years old, the future Hall of Famer tossed his fourth of seven career
The Life And Career Nolan Ryan (Complete Story)
Officiating In History: Nolan Ryan's 7th No-Hitter - May 1, 1991
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Tabletop Ace: The Joy of Nolan Ryan in Strat-O-Matic Baseball, by Joseph W Cleary
WHEN TOPPS HAD (BASE)BALLS!: HIGHLIGHTS OF THE 1970'S: NOLAN RYAN MATCHES KOUFAX WITH FOUR NO-HITTERS
Nolan Ryan Baseball Cards: The Ultimate Collector's Guide - Old Sports Cards
25 years later, Nolan Ryan remembers his seventh no-hitter
Nolan Ryan predicts who will pitch no-hitter
Legendary, dominating, historically wild? There will never be another pitcher like Nolan Ryan - ESPN