Mary Cassatt (1844–1926) letter to John Wesley Beatty, 1905
Carnegie Institute, Museum of Art records
Letter to Homer Saint-Gaudens, 1922
Carnegie Institute, Museum of Art records
Mary Cassatt (1844–1926) letter to John Wesley Beatty, 1905
Carnegie Institute, Museum of Art records
Letter to Homer Saint-Gaudens, 1922
Carnegie Institute, Museum of Art records