Hideki Matsui Cards, Rookies, Autographed Memorabilia Guide
Hideki Matsui Autographed Memorabilia Signed Photo, Jersey, Collectibles & Merchandise
Hunt Auctions, LLC
PSA Magazine: 2023 April #016 by PSA Magazine - Issuu
Hideki Matsui Autographed 2009 Topps Allen & Ginter's National Pride C — Coach's Collectibles
Japanese Baseball Cards: December 2012
1995–2010 – SABR's Baseball Cards Research Committee
GODZILLA' RETURNS: Hideki Matsui thrills young fans with baseball clinic, autograph session at his high school in Japan - Sports Collectors Digest
2005 Bowman Baseball Card Set - VCP Price Guide