Les XX and the Belgian Avant-garde : Prints, Drawings and Books ca. 1890 (exhibition Ghent, Museum voor Schone Kunsten, 31.10 - 12.12.1992 ; Lawrence, Spencer Museum of Art, 24.01 - 21.03.1993 ; Williamstown, Sterling and Francine Clark Art Institute, 12.04 - 13.06.1993 ; Cleveland Museum of Art, 13.07 - 05.09.1993) / - Goddard, Stephen H. (Publications Department Spencer Museum of Art,, 1993)