General:The Blake collection is an accurate survey, mostly on Italian mosaics. It consists of photographs, personal notes, drawings, postcards and manuscripts. Photographs are mostly on ancient roman roads.
Arrangement:The photographs were organized by Marion Blake in alphabetical order by site. The original order has been maintained; to proceed with inventory and digitization single photographs have been numbered.:[Via Valeria. Santa Balbina beyond Tivoli (Tivoli, Italy)]