IV Biennial of the Museum of Modern Art of Sao Paulo - Bauhaus Painters and Theatre. 1957 Sao Paulo, Nr. 24
4 American Painters: Ralph Coburn, T. Lux Feininger, David Park, Emerson Woelffer. 1954 Cambridge, MA, Nr. 17.
IV Bienal do museu de arte moderna. Ludwig Grote 1957 Sao Paulo, S./p. 76, Nr. 24