Links
Organized Philately
American Association of Philatelic Exhibitors: AAPE
Philatelic Magazines and Newspapers
Philatelic Expertization Services
The American Philatelic Society
Philatelic and Collectibles Insurance
Collectibles Insurance Services
Collecting and Exhibiting Supplies
Atlantic Protective Pouches (mylar sleeves and pouches)
Conservation Resources (acid free and micro-chamber boxes)
Leonard Hartmann/Philatelic Bibliopole (acid free exhibit paper)
Philatelic Libraries
American Philatelic Research Library
Rocky Mountain Philatelic Library
Wineburgh Philatelic Research Library
Institutions and Museums
Ding Darling Refuge and Museum
Smithsonian National Postal Museum