Don Mattingly Card Checklist
Don Mattingly baseball cards
Don Mattingly Price List - Supercollector Catalog
1988 Score Baseball Card #1 Don Mattingly : Collectibles & Fine Art
Don Mattingly Baseball Trading Card Database
56 of the month: Hank Bauer
1991 Score The Franchise Don Mattingly 856 New York Yankees
Childhood – SABR's Baseball Cards Research Committee
Don Mattingly Baseball Trading Card Database