His works focus on the cultural and political history of Jordan during the Islamic periods.

Very little architecture from the Islamic period survives on the island.

In this area exist more than 100 sites which date from prehistory to the Islamic period.

In the first centuries of the Islamic period, there appear some scientific studies on swords and steel.

But before the close of the Islamic period the tract was mysteriously depopulated.

These families had descendants who ruled during the Islamic period.

The city always is remembered as one of the most important and biggest cities of the early Islamic period.

There is evidence of inhabitation and use as a small seaport during the Islamic period.

It is claimed it was built before the Islamic period.

In certain respects it anticipates features later developed during the Islamic period.