Azizur Rahman, Syed (2001). The Story of Islamic Spain. Goodword Books. p. 129. ISBN978-81-87570-57-8. https://books.google.com/books?id=iRAsAQAAIAAJ&q=oath+of+allegiance. "[Emir Abdullah died on] 16 Oct., 912 after 26 years of inglorious rule leaving his fragmented and bankrupt kingdom to his grandson ‘Abd ar-Rahman. The following day, the new sultan received the oath of allegiance at a ceremony held in the "Perfect salon" (al-majils al-kamil) of the Alcazar."