Michael Axworthy, The Sword of Persia: Nader Shah, from Tribal Warrior to Conquering Tyrant 348 pages Publisher: I.B. Tauris 26 July 2006 ISBN 1-85043-706-8(ingl.)"Kogda shaxa Soltan Xuseyna prosili prinyat reshenie, on vsegda soglashalsya s poslednim, kto viskazival mnenie – obichno so slovami „Yaxshi dir“. Odna istoriya glasit, chto on ispolzoval etu frazu tak regulyarno, chto evnuxi i pridvornie nazivali ego za spinoy „Yaxshi dir“".