2017 Scott Classic Specialized Catalogue of Stamps & Covers: Stamps & Covers of the World Including U.S. 1840-1940 (British Commonwealth to 1952) [Hardcover]
2019 Scott Classic Specialized Catalogue of Stamps and Covers of the World Including U.S. 1840-1940 (Scott Catalogues) [Hardcover]
Scott 2017 Specialized United States Postage Stamp Catalogue (Scott Specialized United States Postage Catalogue) [Paperback]
Scott 2017 Standard Postage Stamp Catalogue, Volume 1: A-B: United States, United Nations & Countries of the World (A-B) (Scott Standard Postage Stamp Catalogue: Vol.1: U.S., Countri) [Paperback]
Scott 2017 Standard Postage Stamp Catalogue, Volume 5: N-Sam: Countries of the World N-Sam (Scott Standard Postage Stamp Catalogue Vol 5 Countries N-Sam) [Paperback]