prov:value
| - , Alfred, 1911-1979."schema:descriptionCorrespondence with museums, publishers, art owners, other scholars, and friends, 1953-77; clippings, brochures, articles, with some related correspondence, on art, artists, museums, and other topics, 1941-77; undated drafts and final copies of his writings; photographs of art works; and papers by his students in art history, 1974; collection is in German an
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