This site archives over 2000 radio programs with transcripts, photos and links to more information.
Abu'l Izz Ismacil al-Jazari and Farkh ibn cAbd al-Latif: The Elephant Clock: Leaf from The Book of Knowledge of Ingenious Mechanical Devices by al-Jazari " (57.51.23) In Heilbrunn Timeline of Art History . New York: The Metropolitan Museum of Art, 2000–. http://www.metmuseum.org/toah/works-of-art/57.51.23. (October 2006)
See other research guides for specific histories in that subject area, such as: