The collection comprises nearly 7,000 objects, 2 albums and thousands of born-digital files and represents an outstanding resource for the study of the Fine Arts practice of British and Commonwealth artists and architects since the establishment of the Rome Prizes for Decorative Painting, Engraving, Sculpture and Architecture in 1913.

Personal archive of John Marshall (1862-1928), art collector and antiquities dealer. The archive was bequeathed to the British School at Rome after the death of John Marshall in 1928.