The library was established in 1565 by St
Filippo Neri who left his collection to the congregation past his death in 1595. In 1644, the Borromini Hall was inaugurated by
Francesco Borromini. Borromini directed the construction from 1637 to 1652, and was continued by
Camillo Arcucci in 1649 and finished in 1667. In 1669
Leone Allacci presented to the library 243 volumes, 137 Latin and 106 Greek (
Fondo Allacci), in 1764
Giuseppe Bianchini presented 293 volumes (
Fondo Bianchini), in 1843
Ruggero Falzacappa presented 79 volumes of documents from 17-19th centuries (
Fondo Falzacappa). == Manuscripts ==