Billig's Philatelic Handbook
Volume 18, Third Revised Edition

• United States; Funny Face Cancellations, Heart Cancellations, Mask Cancellations, Pinwheel and Whorl Cancellations
• Brazil; Cancellation: Fancy, Irregular, Oval, Flowers, Figures, Foreign Cancellations on Brazilian Stamps England, France, Germany Portugal, United States
• Canada: Airmail Stamps
• Cape of Good Hope; Triangle Issues
• Christmas Island
• German Empire
• German Reich
• Great Britain; Mobile Post Offices
• Lithuania: List of the "POSTGEBIET OB.OST" Post Office Stations
• Lundy Island and the Lundy Locals
• Luxemburg; Forged Cancellations
• Mexico; Cancellation Forgeries