Clock Designers and their plans
Clayton Boyer
John Wilding
Peg and Gear
Mark Tovar
Wooden gear Clocks
Dug North
Woodworking Clock Plans
Eric Freitas
Phil Abernethy
Pendulum calculations
Gear Formulae
BHI Hints and Tips
Ian T Cobb
Phil Coleman
Absolutly Free Plans
Clock Museum
Bily Brothers Clock Museum
Clock General
Lists of Clock Sites
NAWCC
Escapement animations
History of Wooden Clocks
Wikipedia
History of Clocks - Timeline