A very valuable collection of business papers of the Barberini and Sciarra-Colonna families of Rome was acquired by the Society last year through the generosity of Mr. Edward J. Frost of Boston. Among the documents is a huge ledger relating to the administration of Monte Libretto, a village in the Sabine Hills, which the Barberini owned for more than a century. A photograph of this volume appeared in an earlier Bulletin. The entries in the ledger are for the closing years of the eighteenth century.