Collections made and partly written by dr. Charles Mason for Cambridgeshire. A copy of the greater part of Brit. Mus. MS. Cotton Faustina C. III relating to the University of Cambridge, including the 'de antiquitate academię' (p. 1), some charters (p. 171), ten letters from the University and Town, in about A.D. 1588 (p. 271). A full list of contents is at p. 311. The copy was made by David Casley, in or before 1738.