This Reference section of Old Cardboard contains various reference articles and material of interest to researchers of pre-1950 baseball card sets. We will be updating and expanding the section, so please check back regularly. Video of 2010 National in Baltimore Checklist of Mislabeled Cards Hall of Fame Rookie Card Database Gum and Candy Card Wrappers (Checklist) (Gallery) 2004 National in a Nutshell Card Set Classifications and ACC numbering conventions Baseball World Champion teams (1884 through 2003) World Series Rings (1922 through 2015) Card Grading Guidelines       Downloadable PDF Documents Team Checklists eBook (1870-1975) by Mike Wheat (60 MB PDF file) Details of M101-4/5 Backs (as of 2017) by Todd Schultz (1.5 MB PDF file) Jefferson Burdick Articles Published in Hobbies Magazine (2.7 MB PDF file) Scot Reader, "Inside T206: A Collector’s Guide ..." (1.1 MB PDF file) Patrick Prickett, "W572's Link to the T85 Stroller's Set" (1.3 MB PDF file) 1950 Gene Mack Ballpark Cartoons (4 MB PDF file) 1889 Spalding's Official Base Ball Guide (38 MB PDF file; please be patient) 1900 Christy Mathewson "Rookie" Contract with Giants (1.5 MB PDF file)

Home     N-Cards    D-Cards    E-Cards    F-Cards    M-Cards    R-Cards    T-Cards    W-Cards    Postcards    Pins    Game Cards    Foreign    Others

Copyright 2003-2023.  Suggestions and corrections from all viewers are always welcome and appreciated. Please address your comments to editor@oldcardboard.com.  Thank you for visiting.