NAWCC

National Association of Watch and Clock Collectors

AW-CI

American Watchmakers-Clockmakers Institute

THE OLD CLOCK SHOP (Meilen, Switzerland)

Antique Grandfather Clocks
John Shone (Cheshire, UK)
Specialist in the buying, selling and renovation of fine 
antique grandfather clocks for over 30 years

pendulum

Collectible antique mantel clocks decorative and unusual American and French clocks from the early 1800 period to Art Deco.  Ansonia and famous French clockmakers a specialty!

Antique Clocks Collecting at 2-Clicks:  complete online resources for antique, vintage & retro clock collecting

Clocks Magazine