Linked from
The 13 pages that link to Middle Persian, each with the reason it gives.
AshaRelated: Middle Persian texts develop Asha's interpretation as asha becomes ard in later usage.
AvestanRelated: It became a major language for interpreting and translating Avestan scripture.
Shapur IRelated: Shapur’s inscriptions used Middle Persian to address subjects and posterity.
AtropateneRelated: The form Āturpātakān helped transmit Atropatene’s name into later regional usage.
BarbadRelated: Sasanian-era terminology connected with Barbad circulated in this linguistic world.