Mackey and Rollins Vaudeville Scrapbook, 1898-1930 (MS Thr 631). Harvard Theatre Collection, Houghton Library, Harvard University.
Mackey and Rollins Vaudeville Scrapbook, 1898-1930 (MS Thr 631). Harvard Theatre Collection, Houghton Library, Harvard University. https://id.lib.harvard.edu/ead/hou02121/catalog Accessed May 10, 2024.