Ray Boone Biography
Houston Baseball Media Almanac - 2014 by Houston Athletics - Issuu
Bret Boone - Wikipedia
Bret Boone Baseball Stats by Baseball Almanac
Bret Boone, Booking Agent, Talent Roster
Joe Mauer: Most Up-to-Date Encyclopedia, News & Reviews
2017 UTSA Baseball Media Guide by UTSA Athletics Communications - Issuu
1993 Leaf #546 Bret Boone - NM-MT
Baseball Roundtable September Wrap Up - Stats and Stories from the Past Month - Baseball Roundtable
MLB Home Runs All-Time Top 1,000 Leaders