Used copy of U. S. Coins of Value 1992 by Norman Stack for sale on Pangobooks.
Stack's Bowers Offers NGC-certified Rarities from the Ortiz Collection
Robot Planning - McDermott - 1992 - AI Magazine - Wiley Online Library
1921-D $1 (Regular Strike) Morgan Dollar - PCGS CoinFacts
AAA Auction Service, Inc.
RCMR - 2022 #3 May/June by Professional Coin Grading Service (PCGS) Market Report - Issuu
1921-D $1 (Regular Strike) Morgan Dollar - PCGS CoinFacts
Cleaver Magazine Book Reviews • Cleaver Magazine
Norman Stack, 64, Dealer and Expert In Valuable Coins - The New York Times
The Book Haven Cynthia L. Haven's blog for the written word
Uranium - Wikipedia
The Numismatic Collector's Series Sale and Stocks and Bonds of the Americas - 321 by Spink and Son - Issuu
Coin Collecting for Dummies® by Ron Guth