Richard Sine
1989 Scott Specialized Catalogue of United States Stamps- 1990 Scott Specialized Catalogue of United States Stamps
- Massacre Rocks
- Minkus Specialized American Stamp Catalog, 1993
- Scott 1993 Standard Postage Stamp Catalogue
- Scott Specialized Catalogue of U. S. Stamps
- Scott Standard Postage Stamp Catalogue
- Scott Standard Postage Stamp Catalogue, 1990
- Scott U.S. Pocket Stamp Catalogue and Checklist