Whistler : Themes and Variations (exhibition Claremont, Montgomery Art Gallery, 16.01 - 26.02.1978 ; Sacramento, Crocker Art Gallery, 11.03 - 16.04.1978 ; Stanford, Stanford University Museum of Art, 02.05 - 18.06.1978). - Fryberger, Betsy G. (Stanford University, Department of Art,, 1978)