a Omar, Sa'adiya \a Malamai Mata A Daular Usmaniyya A Karni Na 19 Da 20 \h [Text] \c Sadiya Omar - \a Zaria: \b Ahmadu Bello University Press, \c 2017. - \a xv,352p.: \b ill. ISBN: \a 9789788536338 Subjects--Topical Terms: LC Class. No.: \a BP 188.18.W65 Oma / \b 502753