Jim Kloetzel
2023 Scott Classic Specialized Catalogue of Stamps & Covers 1840-1940
2023 Scott Us Specialized Catalogue of the United States Stamps & Covers
2023 Scott Specialized Catalogue of United Nations Stamps- 2023 Scott U S Stamp Pocket Catalogue
- 2022 Scott Stamp Values U. S. Specialized by Grade
- Scott Stamp Checklist : Mongolia : Scott Stamp Checklist
2022 Scott Classic Specialized Catalogue of Stamps & Covers 1840-1940
2023 Scott Stamp Postage Catalogue Volume 6 : Cover Countries San-Z : Scott Stamp Postage Catalogue Volume 6- 2021 Scott Classic Specialized Catalogue of Stamps & Covers 1840-1940
- 2022 Scott Identifier of Defnitive Stamp Issues
- 2022 Scott Stamp Postage Catalogue Volume 4 : Cover Countries J-M : Scott Stamp Postage Catalogue Volume 4
- 2022 Scott Stamp Postage Catalogue Volume 5 : Cover Countries N-Sam : Scott Stamp Postage Catalogue Volume 5