http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Historical and cultural dictionary of the Sultanate of Oman and the Emirates of eastern Arabia
Historical and cultural dictionary of the Sultanate of Oman
by John Duke Anthony, with contributions and assistance from John Peterson and Donald Sean Abelson.
Historical and cultural dictionaries of Asia ; no. 9