Technique
Corte del Paradiso, Art Institute of Chicago
See MacDonald 1995 (cat. rais.) [more]
(cat. no. 784); and further details in Clarke, Jay A., and Sarah Kelly Oehler, eds., Whistler Paintings and Drawings at the Art Institute of Chicago, The Art Institute of Chicago, 2020, website (cat. no. 22) as 'Corte del Paradiso'.