Books
A Guide Book of United States Coins 2013
2012
A Guide Book of United States Coins 2014
2013
A Guide Book of United States Coins 2018
2017
A Guide Book of United States Coins 2015
2014
The Official American Numismatic Assiciation Grading Standards for United States Coins
2013
A Guide Book of United States Coins 2017
2016