Demirel, Ömer (Personal Name)

His II. Mahmud döneminde Sivas'ta ... 1989: t.p. (Ömer Demirel)

Osmanlı dönemi Sivas şehri, 2006: t.p. (Prof. Dr. Ömer Demirel) p. 4 of cover flap (b. 1960 in Ankara, Turkey; staff member at Cumhuriyet Univ., Fac. of Letters, Head of History Dept.)