Societies
Antiquarian Horological Society
National Association of Watch and Clock Collectors
Musea
Nationaal Museum van Speelklok tot Pierement
Deutsches Uhrenmuseum Furtwangen
Nederlands Goud en Zilver Museum
The British Museum
Tools and Parts
Engelkemper
Parts
Eternal Tools
Diamond en Hardmetal tools
Friederichs
Parts
Meadows & Passmore
Parts
P.P. Thornton
Wheel cutters
Tower clocks
Toine Daelmans