Seaver, Ryan combine for 26 Ks in sweep of Padres
Nolan Ryan: The Mets Years (Part Two- 1970 thru the 1972 Trade)
SABR 50 at 50: Record-Setting Events – Society for American Baseball Research
Ryan becomes first pitcher to reach 4,000 career strikeouts
For Ryan, It Was A Very Special K - Sports Illustrated Vault
Nolan Ryan: The Mets Years (Part Two- 1970 thru the 1972 Trade)
Nolan Ryan eclipses Walter Johnson's strikeout record
Jacob deGrom ties Nolan Ryan for most strikeouts in first five starts; Mets fall to Red Sox 1-0 - ESPN
SABR 50 at 50: Record-Setting Events – Society for American Baseball Research
Ryan becomes fourth pitcher to record 3,000 strikeouts
Nolan Ryan – Society for American Baseball Research
1970-4-18-Mets-Phillies-Nolan-Ryan-strikesout-15
Nolan Ryan - Wikipedia
Top 5 most unbreakable records in baseball: #3- Nolan Ryan's career strikeouts – FHC Sports Report
SABR 50 at 50: Record-Setting Events – Society for American Baseball Research