The records relating to the manuscript 2221 of the Casanatense library in Rome are now online (higher level record no. 10554).
The manuscript dates back to the first half of the 1700s and contains cantatas and opera arias for two or three voices by Gasparini, Astorga, Francesco Feroci, Alessandro Scarlatti, Sarro, Benedetto Marcello, Giovanni Bononcini. Feo, Porpora, Vinci and Gaetano Lemer.
The arias are taken from operas performed in Rome and Naples between 1718 and 1722.