British Numismatic Society
- http://www-cm.fitzmuseum.cam.ac.uk/dept/coins/britnumsoc/
- Established to encourage and promote the science of numismatics, through the study of the coins, medals, tokens and banknotes of the peoples of the British Isles and Commonwealth, the United States of America, and all territories that at any time have been subject to British jurisdiction.
COINAF
- http://coinaf.org
- Organization of dealers and collectors committed to the promotion of fair and honest trade of numismatic items on the internet and to the education of consumers in the study of numismatics and fair trade practices.
Hellenic Numismatic Society
- http://www.coins.gr/hellenum/
- Serves the interests of Greek and foreign numismatists and collectors of Greek coins, banknotes, tokens, medals and decorations. Includes a council directory, membership details and a list of publications.
International Numismatic Commission
- http://www.amnumsoc.org/inc/
- An organization of museums, university, institutes, numismatic societies, and mints pledged to facilitate cooperation between scholars and between institutions in the field of numismatics and related disciplines. (French and English)
Oriental Numismatic Society
- http://www.onsnumis.org/
- Supports the study and collection of oriental coinage, from North Africa to the Far East. Includes news, event schedule, articles, and membership application.
The American Numismatic Society
- http://www.amnumsoc.org/
- The ANSociety maintains an extensive collection of coins, paper money and medals and promotes all aspects of numismatic research and learning. In addition, the ANS libraray holds the most comprehensive collection of numismatic literature in the world.