Legacy of Collection the NC Collection of Chinese CoinsNelson Chang, Michael Chou, Bruce Smith, Ron Guth, Phyllis Chang · First published 2021Open the Tome
Auction Prices Realized for Certified German Coins - Second EditionRon Guth · First published 2013Open the Tome
Auction Prices Realized for PCGS-graded German CoinsRon Guth · First published 2010 · Latest edition 2011Open the Tome
100 greatest U.S. coinsJeff Garrett, Ron Guth · First published 2003 · Latest edition 2005Open the Tome
