by Charles F. Rey., Main Heritage Shelves General, DT384 .R49 1929, Book, Item-ID: i10220926, BIB-ID: 1023728, Includes bibliographical references (p. 307).
by Sir E.A. Wallis Budge., Main Heritage Compact General, PJ1531 .R5 1929, Book, Item-ID: i2578058x, BIB-ID: 2736724, Includes bibliographical references (pages 311-316).
by Rudolph Said-Ruete ; with a foreword by Major-Gen. Sir Percy Cox., "Genealogical table of members of the Al Bu Said dynasty": p. [183] "Sources: p. 184., Main Heritage Shelves General, DS247.O6 .S25 1929, Book, Item-ID: i2238411x, BIB-ID: 2395435, "Bibliography": pages 185-192.
Arthur Y. Steel., "Originally contributed to the Egypt General Mission News.", Main Heritage Shelves General, DT79 .S72 1920, Book, Item-ID: i10178879, BIB-ID: 1019523