'We walked hence to see the Palazzo Barberini ... There is to it a double Portico, at the end of which, we ascended by two paire of Oval Stayres all of stone, & voide in the well; one of these landed us into a stately Hall, ... To this is annexed a Gallery compleately furnish'd (with) whatsoever Art can call rare & singular, & a Library full of worthy Collections, Medails, Marbles, and Manuscripts' (De Beer 1955, vol. 2, pp. 228-9; Dykes 2018a, p. 122; Burnett 2020b, p. 825 n. 51)