"privatsamlinger" . . "Los Angeles County Museum (1967 : Los Angeles)" . . . . . . "100 European paintings & drawings from the collection of Mr. and Mrs. Leigh B. Block : National Gallery of Art, Washington 4.5.-11.6. 1967, Los Angeles County Museum of Art 21.9. -2.11.1967" . . . . . . . . . . . "100 European paintings & drawings from the Collection of Mr. and Mrs. Leigh B. Block" . . "100 European paintings & drawings from the collection of Mr. and Mrs. Leigh B. Block" . . "Exhibition catalogs" . . . . "maleri" . . "kunstsamlinger" . . "tegning" . . "National Gallery of Art (1967 : Washington, D.C.)" . . . . .