[[m-razavi1997]] ## External Links [Wikipedia](https://en.wikipedia.org/wiki/Shahab-al-Din-Yahya-ibn-Habash-Suhrawardi), especially [this header](https://en.wikipedia.org/wiki/Shahab-al-Din-Yahya-ibn-Habash-Suhrawardi#Suhrawardi-and-pre-Islamic-Iranian-thought)