The Substance of this Research This research talks about ( ths history of Shiokh Al - Islam Organization ) at the Ottmanian period ( 828 - 1341 H - 1425 - 1922 AD ) which come into two volumes talks about the general settings of its recourses analyses . The first part talks about the history of the Ottmanian Mashiakhat Al - Islam which contains three periodsThe First period talks about the historical fond of the Ottmanian Nation , contains the Abbasian , Anadolian Solgocand the Ottmanian vountries . The Second period talks about the history of the organization of the Ottmanian Mashiakhat Al - Islam from where , its establishing , improving the organization and improving the rank of Sheikh Al - Islam at the Ottmanian periodThe third period talks about the administrational assortments of Al - Mashiakeh Al - Islameiah in its different periods of time until it was cancelled at the year of ( 1341 H - 1922 AD ) . The second part of our research talks about the translations and the lines of Shoiokh Al - Islam ( 1 - 13 ) whom were to hold the rank of Sheikh Al - Islam officially through the whole history of this organizationThe supplement contains the special lists of Shiokh Al - Islam , the contents , the index and the bibliography in different languagesAnd the composition of this research is considered as one of the most important scientific achievement at the field of the modern Arabic - Islamic history , because of the pressing need to like this encyclopedic researchesAnd this research collected an important quantity of informatkon , documents , sources and references , especially the Ottmanian and TurkishAnd some of it were used for the first time . This research is documenting the events and sites and actions of the Ottmanian country and society by an academic way cintains all the historical , geographic alfamous men , rulers and Shiokh Al - IslamIt contains the political , sociality , military and religious improvements in a complete form . Ahmad SShoqirat