समान संसाधन: The Stamp Collectors Encyclopaedia /
- The Stamp Collector's Encyclopedia /
- The Musson Stamp Dictionary /
- Enciclopedia mundial del sello 1945-1975 : casi 5000 sellos reproducidos a todo color. /
- Philatelic Terms Illustrated /
- Philatelic Terms Illustrated /
- Paintings on Stamps : An Encyclopedic Handbook Arranged by Artist and Covering all Paintings, Drawings, Watercolors, Lithographs, Sketches, Engravings, Etchings, and Similar Works on Postage Stamps /