1993 Blackbook Price Guide of U.S. Coins

Grading U.S. Coins & Detecting

The OPG to Baseball Cards, 1996, 15th Edition (Official Price Guide to Baseball Cards (Beckett))

Official Price Guide to Football Cards, 15th Edition (Official Price Guide to Football Cards (Beckett))

1994 Blackbook Price Guide of U.S. Paper Money

1994 Blackbook Price Guide of U.S. Postage Stamps

1994 Blackbook Price Guide of U.S. Coins

1992 PG to Baseball Cards

COMIC BK-OVERSTR-21ED (Official Overstreet Comic Book Price Guide)

OPG TO U.S. PAPER MONEY

Football Cards