2011 Scott Classic Specialized Catalogue: Stamps and Covers of the World Including U.S. 1840-1940 (British Commonweath to 1952) (Scott Standard Postage Stamp Catalogue: Classic Specialized) [Hardcover]
2019 Scott Specialized Catalogue of United States Stamps & Covers - Confederate States, Canal Zone, Danish West Indies, Guam, Hawaii, United Nations [Paperback]
Scott 2017 Standard Postage Stamp Catalogue, Volume 3: G-I: Countries of the World G-I (Scott 2017) (Scott Standard Postage Stamp Catalogue: Vol. 3: Countries of) [Paperback]
Scott Classic Specialized Catalogue 2016: Stamps and Covers of the World Including U.S. 1840-1940 (British Commonwealth to 1952) (Scott 2017 Classic Specialized Catalogue World 1840-1940) [Hardcover]