In retirement Zubayr wrote his memoirs, which were translated into English as Black Ivory: Or, the Story of El Zubeir Pasha, Slaver and Sultan, as Told By Himself.
W podeszłym wieku spisał swe wspomnienia, które zostały wydane po angielsku jako Black Ivory: Or, the Story of El Zubeir Pasha, Slaver and Sultan, as Told By Himself.