Former Location/Discovery Site:
Photograph taken by Peter Fiske (geologist)
Petra (Extinct city)
Williams, Sylvia H., Mohammad Omer Khalil, etchings, Amir I.M. Nour, sculpture / Sylvia H. Williams, 52 p. : ill. (some col.) ; 26 cm, Washington, D.C. : National Museum of African Art, Smithsonian Institution, c1994.
Restricted to current faculty, students and staff of Columbia University