1 Roster of the Ad Astra per Aspera - Augusta Military Alumni
Robert Edward Auctions - The Premiere Sports Auction House
Pittsburgh Pirates Baseball 1972 Vintage Yearbooks for sale
DAPSpring2008Catalog by Tamara Mair - Issuu
MLB Retired Numbers Pittsburgh Pirates by stevejrogers
Lot Detail - 1972 Pittsburgh Pirates Team Signed Wilson 'Pirates KDKA Radio' Baseball with 24 Autographs incl. Roberto Clemente (Same Year He Died) - Beckett & JSA LOA's
Baseball – All In Autographs
Baseball – All In Autographs
John D. Miller, Pittsburgh Pirates, baseball card portrait] - PICRYL - Public Domain Media Search Engine Public Domain Search
Pittsburgh Pirates – CollectibleXchange