Abdur Rauf creator text Lahore Ferozsons (Pvt.) Ltd. 2015 monographic xii, 283 p. ; 22 cm. :ill., Col. Includes list of illustrations, list of maps, bibliography, and index Islam-History Four righteous caliphs Umayad period Pakistan' emergemce Islamic caliphates RIMS 297.09 ABD 969010201X (hb) 9789690102010 (hb)