A518A.........Mantel Clocks
A512A.........Watches (History of)
A449...........The History of Watches
A229...........A History of Time
A78.............Masonic Clocks and Watches
A52.............Back to Basics with Clocks Part 3
A43.............Back to basics with Clocks Part 2 
A36.............Back to basics with Clocks