You might find a start in History of Mongolian literature, 1921-1964 by L Gerasimovich, Far Eastern literatures in the 20th century : a guide, K'uei hsing : a repository of Asian literature in translation and The Secret history of the Mongols and western literature. There's also Three fateful hills.

And these might be before the 17th century but just in case: Mongolian traditional literature : an anthology and The sutra of the wise and the foolish