Boas, Adrian J. (2010). Domestic Settings: Sources on Domestic Architecture and Day-to-Day Activities in the Crusader States. Brill. p. 68. ISBN 978-90-04-18272-1. 978-90-04-18272-1
Boas, Adrian J. (2010). Domestic Settings: Sources on Domestic Architecture and Day-to-Day Activities in the Crusader States. Brill. p. 68. ISBN 978-90-04-18272-1. 978-90-04-18272-1
Boas, Adrian J. (2010). Domestic Settings: Sources on Domestic Architecture and Day-to-Day Activities in the Crusader States. Brill. p. 68. ISBN 978-90-04-18272-1. 978-90-04-18272-1
AlSayyad, Nezar (2011). Cairo: Histories of a City. Harvard University Press. p. 164. ISBN 978-0-674-06079-1. 978-0-674-06079-1
Hodgson, Frederick Thomas (1905). The 20th Century Bricklayer's and Mason's Assistant. F.J. Drake & Company. p. 241. https://books.google.com/books?id=04s6AAAAMAAJ&pg=PA241
The industrial self-instructor and technical journal. Ward, Lock and co. 1884. p. 87. https://books.google.com/books?id=al8IAAAAQAAJ&pg=PA87