Delevoy, Robert L. Symbolists and Symbolism. Geneva: Skira; New York: Rizzoli, 1978. (p.158)
Rights
All reproduction rights reserved by A.D.A.G.P. and S.P.A.D.E.M., Paris, Cosmopress, Geneva, and A.S.B.L., Brussels. Photograph reproduced in Delevoy courtesy: The Metropolitan Museum of Art, New York, Rogers Fund, 1906 (Photo Peter Willi).