International group interested in the study of the postal history of the Latin American nation.

Organisation providing news, history, publications and information for collectors of the plate number single and other marginal markings. Includes examples of U.S. plate number singles.

The SC's web contact point for stamps and postal history of Hong Kong and the Treaty ports.

International group focuses on the collection and study of envelopes, cards, and other items.

Society for stamps and postal history of the Russian area, including Finland, Poland, Mongolia and the new republics.

Group dedicated to the study of the philately of Mexico.

French-language Chinese stamp site.

American-based group studies postage issues of Asian peninsula.

Focuses on postal material of the self-governing region of Denmark. Includes a membership application, information about meetings and events, FAQs and a list of publications. Located in Cheshire, UK.

The club's online contact point with basic information.