MUSEUS POSTAIS E BIBLIOTECAS
American Philatelic Research Library
British Library Philatelic Collections
British library Philatelic Rarities
Musée de la Posta de Paris – France
Museo de la Casa da Moneda de Madrid – Spain
Museum of United States Essays and Proofs
National Philatelic Society Library – England
National Postal Museum – U.S.A.
Philatelic Museums & Libraries – England
Philatelic Museums & LibrariesSigapore Philatelic Museum
Spellman Museum of Stamps and Postal History
Philatelic Museum Bangkok – the history of Thai postage stamps
Philatelistische Bibliothek München – Berlin – Alemanha
Philatelistische Bibliotheken in Deutschland