Yankees pitcher and 'Ball Four' author Jim Bouton dies at 80 – New York Daily News
Jim Bouton Dead: Ex-Yankees And 'Ball Four' Author Broke Sports Taboos Was 80 – Deadline
Jim Bouton: A truth-teller who showcased the value of voice in writing – Dynamics of Writing
Legacy of 'Ball Four' lives on at Museum
Jim Bouton, former pitcher, “Ball Four” author, dies at 80 - WINK News
Jim Bouton - Wikipedia
Jim Bouton, 'Ball Four' Author, Dies at 80
Late Jim Bouton remembered for Yankees and 'Ball Four' fame, but it was Portland that fueled his comeback
Yankees pitcher and 'Ball Four' author Jim Bouton dies at 80 – New York Daily News
Ball Four at 50 and the Legacy of Jim Bouton – Society for American Baseball Research