Al-ʻUlā :
Nasif, Abdallah Adam.
Al-ʻUlā : an historical and archaeological survey with special reference to its irrigation system / by Abdallah Adam Nasif. - 1st ed. - [Riyadh] : King Saud University, 1988. - xv, 281 p. : ill. (some col.), maps ; 28 cm.
Originally Thesis (Ph. D.) -- Victoria University of Manchester, 1981.
bibliography : (p. 277-281).
Qanats--History.--Saudi Arabia--ʻUlā Region
Irrigation--History.--Saudi Arabia--ʻUlā Region
Excavations (Archaeology)--Saudi Arabia--ʻUlā Region.
ʻUlā Region (Saudi Arabia)--Antiquities.
DS248.U44 / N37 1988
Al-ʻUlā : an historical and archaeological survey with special reference to its irrigation system / by Abdallah Adam Nasif. - 1st ed. - [Riyadh] : King Saud University, 1988. - xv, 281 p. : ill. (some col.), maps ; 28 cm.
Originally Thesis (Ph. D.) -- Victoria University of Manchester, 1981.
bibliography : (p. 277-281).
Qanats--History.--Saudi Arabia--ʻUlā Region
Irrigation--History.--Saudi Arabia--ʻUlā Region
Excavations (Archaeology)--Saudi Arabia--ʻUlā Region.
ʻUlā Region (Saudi Arabia)--Antiquities.
DS248.U44 / N37 1988