▁Y as avi y ya . ▁In ▁F ird ow si ' s ▁Sh ahn ama ▁the ▁word ▁is ▁used ▁many ▁times ▁for ▁some ▁r ul ers ▁and ▁hero es ▁of ▁ancient ▁Iran ▁as ▁well . ▁The ▁special ▁z ik r ▁of ▁the ▁Kh w aj agan ▁is ▁called ▁' K hat m ▁Kh aj agan '. ▁ ▁Interest ▁in ▁the ▁Kh w aj agan ▁was ▁rev ived ▁in ▁the ▁ 2 0 th ▁century ▁with ▁the ▁publication ▁in ▁Turkey ▁of ▁H ace gan ▁Han ed an ı , ▁by ▁Has an ▁L üt fi ▁ Ş u ş ud , ▁Ist an bul , ▁ 1 9 5 8 . ▁ ▁His ▁sources ▁included : ▁ ▁Re ş ah at ▁A yn ▁el - H ay at , ▁compiled ▁by ▁Me vl ana ▁Ali ▁Bin ▁H use y in ▁Saf i , ▁A . H . ▁ 9 9 3 . ▁ ▁N ef ah at ▁el - Uns ▁min ▁Haz er at ▁el - K ud s , ▁by ▁Nur add in ▁Abd ur rah man ▁J ami , ▁A . H . ▁ 8 8 1 . ▁ ▁Ris ale - i ▁Bah ai y ye , ▁by ▁R if ' at ▁Bey . ▁ ▁Sem er at ▁el - F u ad , ▁by ▁S ari ▁Abd ul lah . ▁ ▁En is ▁ut - T al ib in ▁wa ▁I dd et ▁us - Sal ik in ▁Mak am at - i ▁Muham med ▁Bah a ed din