The following famous Arabic sources are used to generate an acceptable amount of data on which frequency statistics are conducted.

There are also statements in Arabic sources that he died at 87, after 17 years studying medicine and 70 practicing it, therefore about 217.

He is known to have had a secretary named Othman, named in an Arabic source.

Several works on mechanics are attributed to Euclid by Arabic sources.

In many cases he fails to name his Arabic sources.

"All the host fled before the enemy", candidly wrote one Arabic source, "and many died in the flight".

The term "Chechen" first occurs in Arabic sources from the 8th century.

Later doubtful Arabic sources provide indications of her Arab descent.

There are five Arabic sources, all at least 500 years after the supposed events, which mention the fate of the library.

Although, the meaning of a declining noon sun can also be found in Classical Arabic sources.