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/