According to Edward Fowles, Baron Lazzaroni "furnished Duveen's more Italian pictures than any other person at this time (1920). He was greatly favored by BB..."
Bibliography
1971
Vertova, L. "Five Centuries of Painting at Algranti, Milan [exhibition review]." Burlington Magazine 113 (July 1971): 427.
1976
Fowles, Edward. Memories of Duveen Brothers (1976), 122.