↑ Biographical catalogue of the principal Italian painters, by a lady [M. Farquhar] ed. R.O. Wornum, by Maria Farquhar; Published 1855; Original from Oxford University; Googlebooks Digitized Jun 27, 2006
↑ Cardinal Vincenzo Orsini (later Pope Benedict XIII)
Farquhar, Maria (1855). [Original Oxford Univ.; Googlebooks Digitized Jun 27, 2006 Biographical catalogue of the principal Italian painters, by a lady editor= R.N. Wornum] Check |url= value (help). Woodfall & Kinder, Angel Court, Skinner Street, London. Missing pipe in: |title= (help)
Wittkower, Rudolf (1980). Art and Architecture in Italy, 1600-1750. Pelican History of Art (Penguin Books Ltd). pp. 462–465.
