American Philatelic Research Library
British Library Philatelic CollectionsBritish 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 Museum Bangkok – the history of Thai postage stamps
Philatelic Museums & Libraries
Philatelic Museums & Libraries – England
Philatelistische Bibliothek München – Berlin – Alemanha
Philatelistische Bibliotheken in Deutschland
Sigapore Philatelic Museum
Spellman Museum of Stamps and Postal History
