Hermann and Margrit Rupf, Bern, until 1953; [Galerie Rosengart, Lucerne, 1953]; James Wise, Geneva, New York, and Nice, from 1953; [Saidenberg Gallery, New York, until 1955; Karl Denner, Hamilton, 1955-1973; Daniel and Eleanore Saidenberg, New York, from 1973;[ Acquavella Galleries, New York, sold 1993 to]; Janice and Henri Lazarof, Los Angeles, partial, fractional and promised gift 2005 to; LACMA.