TEHRAN - The handwritten manuscripts and historical documents of Sabzevar are kept in the Asrar Tomb of Haj Mola Hadi Sabzevari.

This exhibition has been open to the public since 1999 and displays some of the writings of Haj Mola Hadi Sabzevari whose pen name is Asrar.

A rare handwritten Quran from the Qajar era and historical documents which were discovered in the district are also on display at the exhibition.