Stamp Collecting: Postal Stationery

Collectors' & Reference Sites

Collection d' enveloppes Prêt à Poster: A collector's site devoted to the pre-stamped envelopes of France. (Text in French)
FIP Postal Stationery Commission: If you are wondering what consitutes postal stationery, there is an illustrated section on "What is Postal Stationery". There is a section on the various societies devoted to postal stationery. A working list of journals and books devoted to postal stationery can be found in the literature section. There are also mini displays of postal stationery which will change periodically.
The Aerogramme Society: The Aerogramme Society is an international society dedicated to the study and enjoyment of worldwide aerogrammes, air letter sheets and the equivalent, and publishes a quarterly journal, AerogrammeR.
United Postal Stationery Society (UPSS): The United Postal Stationery Society is a non-profit organization which was formed in 1945, and today it is the largest society devoted to the collecting of postal stationery with members across the United States as well as many countries throughout the world. There is much of interest on this site, including a good introductory article What Do You Know About Postal Stationery?.

JOBI Philatelic Services: Specializing in US Postal Stationery from A to Z: Entires, cut squares, postal cards, wrappers, and air letter sheets. Space fillers to exhibit quality.