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

Group studies postal issues and history of Denmark, Finland, Norway, Sweden, Iceland, and related territories.

An organization of collectors of the postal material of Brunei, Labuan, Sarawak, and North Borneo.

A worldwide society devoted to all aspects of Russian philately.

China philately and Chinese postal history with emphasis on research, exhibiting and publication.

International organization to promote the collecting of postmarks and postal history. Information about the club, this specialty, the annual convention, publications offered, and the Postmark Museum in Bellevue, Ohio.

For collectors of the stamps and postal history of the smaller Pacific islands.

Studies postage issues commemorating aspects of ancient cultures.

Features the society study of the stamps and postal history of New Zealand. Its journal, the Kiwi, is published six times a year.

The National Association of Journalists and Philatelic Writers of Portugal covers history, contacts, statutes, and relevant news.