@book{al-Amri1983,
author="usayn Abd Allah al-Amri",
title="A document concerning the sale of Ghayl al-Barmaki and al-Ghayl al-Aswad by al-Mahdi Abbas, Imam of the Yemen, 1131-89/1718-75",
year="1983",
booktitle="Arabian and Islamic Studies",
editor="Robin L. Bidwell",
publisher="Longman",
address="London",
pages="29-37",
keyword0="Ghayl",
type="chapter"
}