List is sorted by the last name of the author or by organization.

Adelphi University
Fundamentals of Rare Coin Collecting and Investing (1981, home study course of nineteen cassette tapes)
American Numismatic Association
1993 Baltimore Convention Highlights
Coin Grading Lecture (1992)
Money: History in Your Hands (February, 1996)
Educational Program at the Tri-Club Show (1985)
U.S. Mint and Bureau of Engraving and Printing
The Money Story (1997)

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