The British Postal Museum & Archive - Visitor information, details of collections and exhibitions, online catalogue, and educational resources. - http://www.postalheritage.org.uk/
Spellman Museum of Stamps and Postal History - Presents a worldwide collection of stamps and covers. Includes schedule of events, details of exhibits, library, memberships, hours, admission and directions. Located in Weston, Massachusetts. - http://www.spellman.org/
Post Mark Museum and Research Library - Dedicated to collecting and preserving post marks and postal history around the world. Located in Lyme Village near Bellevue, Ohio. - http://www.postmarks.org/museum/