موارد دي لاسي أوليري في كتابه : العرب قبل محمد (ص)‎

الملخص EN

O'Leary is considered one of the British orientalists who presented various scientific studies, including his book : (The Arabs before Muhammad (God prays on him)), and he relied in writing it on a wide range of resources, and this, if anything, indicates his broad scientific culture that enabled him to access the sources the main chapter concerned with the history of the Arabs before Islam, represented by: (the holy books) and (classical books), especially with regard to the mysterious history of the Arabian Peninsula in many of its political and economic events so far, as well as its reliance on Syriac sources and some foreign sources in addition to the books of the Arabs.

among the informants who studied the history of their ancestors past; In order to achieve a balance, even to a small extent, between all the sources that were written and referred at the same time to some of the events that took place within the Arabian Peninsula in all its parts, in addition to the fact that some of those resources were eyewitnesses to many events at the time, or close to them for a period of time that makes them more accurate and reliable.

at the reader.