Billig's Philatelic Handbook
Volume 17 First Edition
- United States of America; Numerical Cancellations.
- Catalog of Naval Postmarks
- Bohemia & Moravia; German Protectorate
- Bahamas; Postmarks
- Fiji; Official LIst of Post Offices 1950
- Ireland; Slogan Postmarks
- Jamaica; List of Post Offices
- Japan: Scenery Cancellations
- Prince Edward Island
- Trinidad & Tobago; Postmarks