I am pleased to present to the Arab Library this study in "Sources of History: M), which shows two visual types between the modern ll and this is the first topic that revolves around the sources of modern history, and the second topic revolves around the method of historical research, which is concerned with the body and the footnote. The first topic deals with documents, manuscripts, notes, and the writings of eyewitnesses and contemporary, poetry, then the writings of modern historians. This is in addition to specialized patrols, dictionaries, dictionaries and encyclopedias. There is no doubt that the percentage of historical books that are issued here and there is still a precedent for other sciences, so people They look forward to knowing the mysteries of events and their details, and it is no longer just a narrative or narrative, but rather it should be supported by the principles and documents that give the event accurate and objective, and sincere, and from here the urgent need to document and root the scientific material, which we call the entourage that has become fixed rules In the art of historical writing.