
Crumpley, Elsa. It's About Time: All you need to know about the origin of time and calendars. R+E Publishers. California:1984.
Landes, David S. Revlution in Time: Clocks and the Making of the Modern World. Harvard University Press. Massachusetts:1983.
Toulmin, Stephen. The Discovery of Time. University of Chicago Press. Chicago:1965.
Bell, Thelma Harrington. The Riddle of Time. Viking Press. New York:1963.
Cunynghame, H.H. Time and Clocks:A Description of Ancient and Modern Methods of Measuring Time. Singing Tree Press. Detroit:1970.
Wright, Lawrence. Clockwork Man:The Story of Time:Its Origins, Its Uses, Its Tyranny. Horizon Press. New York:1968.
Cowan, Harrison J. Time and Its Measurement:From the Stone Age to the Nuclear Age. World Publishing Company. New York:1958.
Priestley, J.B. Man and Time. Crescent Books. London:1964.
Elton, L.R. & Messel, Harry. Time & Man. Pergamon Press. New York:1978.
Goudsmit, Samuel A. Time. Time-Life Books. New York:1966.
Burlingame, Roger. Dictator Clock:5,000 Years of Telling Time.
Macmillan Company. New York:1966.
Calendar History and Information
The Equation of Time & Sundials
Clocks, Calendars & History from the Mystical World Wide Web
A Brief History of Clocks: From Thales to Ptolemy
A Brief History of Time, From Thales to Callippus
Global Calendar- Information on every day of the year
Clocks and Time: Horological Index
It's About Time Links From old TSO Site
Time
Astronomical
Clock Tower
Clocks and Watches
Lego Clock
Does Not
Work