met-american-decor:Theorem painting by Mary Gregory, American Decorative ArtsGift of Elizabeth M. Ri
met-american-decor:Theorem painting by Mary Gregory, American Decorative ArtsGift of Elizabeth M. Riley, 1997Metropolitan Museum of Art, New York, NYMedium: Painted cotton velveteenhttp://www.metmuseum.org/art/collection/search/15978 -- source link
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