Exhibition History:
"Karl Wilhelm Diefenbach a Capri," Emporio Floreale, Rome, May-June 1979.
Publication History:
Karl Wilhelm Diefenbach a Capri, Emporio Floreale, Rome, May-June 1979, ill. p. 3.
Claudia Wagner, Der Kuenstler Karl Eilhelm Diefenbach (1851-1913), Meister und Mission, diss. 2007, Werkkatalog WK 7.9.
http://www.diss.fu-berlin.de/diss/receive/FUDISS_thesis_000000003200
