A. J. Arberry 
Routledge Revivals: Classical Persian Literature (1958) [PDF ebook] 

First published in 1958, this work by one of Britain’s most celebrated Orientalist scholars, tells the story of the rebirth of national literature in Persia after the fall of the Sasanian empire in the seventh century. It traces the course of this literature’s development and full maturity from the ninth century to the end of the fifteenth century and looks at a number of important writers including the Salj?q poets, R?m?, ?afiz and Jam?.This work will be of interest to those studying Persian and Middle-Eastern literature and history.