Sotheby's 1930s x 2
Sotheby's 1970s x 4
Sotheby's 1980s x 12
Sotheby's 1990s x 10
Sotheby's 2000s x 2
Christie's 1930s x 3
Christie's 1970s x 2
Christie's 1980s x 3
Christie's 1990s x 5
Christie's 2000s x 6
Various Collection x 8 (1903, 1924, 1925, 1937)