5 Miscellaneous USPS Documents The following documents are not official directives and are not edited or published by Brand and Policy. They are listed here, with their sources, for your convenience. Contact the appropriate source to order copies or to correct addresses. For information about USPS documents that are not directives and are not listed below, call the USPS Library at 202–268–2904.   Title Edition Date Org. Distribution Source Annual Report of the Postmaster General Annual CC Mailed to employees, businesses, etc. HQO Commemorative Stamp Yearbook Annual GR Sold to Public PHL Comprehensive Statement on Postal Operations Annual S&T Limited HQO International Direct Marketing Guide 1993 PRI Limited HQO MailPro Monthly PRI Employees, business mailers NCS Memo to Mailers Monthly CC Employees, small business mailers NCS The Postal Service Guide to U.S. Stamps Annual GR Sold to public PHL USA Philatetic Varies GR Mailed to interested members of the public PHL USPS Specifications for Fixed Mechanization and Automation Varies ENG   HQO USPS Specifications for Nonfixed Mechanization and Automation Varies ENG   HQO Vendor Solicitations Varies SM Bidders upon request HQO