Modern Art in America, 1913-1931, 2013

Modern Art in America, 1913-1931, 2013, 2. United States Postal Service Stamps Related to Georgia O'Keeffe, MS-27. Georgia O'Keeffe Museum. https://archive.okeeffemuseum.org/repositories/2/archival_objects/1354 Accessed June 23, 2026.