Constance Gladys Ripon Scrapbooks Concerning Serge Diaghilev's Ballets Russes, 1909-1914 (MS Thr 449). Harvard Theatre Collection, Houghton Library, Harvard University.
Constance Gladys Ripon Scrapbooks Concerning Serge Diaghilev's Ballets Russes, 1909-1914 (MS Thr 449). Harvard Theatre Collection, Houghton Library, Harvard University. https://id.lib.harvard.edu/ead/hou01576/catalog Accessed April 24, 2024.
