Beckx's private library was moved to the Villa Mondragone, Frascati, a large country palace near Rome that had been bought by the Society of Jesus in 1866 and housed the headquarters of the Jesuits' Ghislieri College.
Beckxs "private" bibliotek blev flyttet til Villa Mondragone, Frascati, et stort landsted tæt på Rom, som var Jesuiterordenen havde erhvervet i 1866 og som husede Jesuitternes hovedkvarter – Ghislieri College.