| Owner | Count | 1.
| Williams, Charles K., II, | 78 | 2.
| Williams, Charles M., Mr, | 1 | 3.
| Williams, Charles, Mrs., the late, | 2 | 4.
| Williams, Claude B., | 1 | 5.
| Williams, Claude S., Mrs, Versailles, Kentucky | 1 | 6.
| Williams, Clyde, Okemos, Michigan | 2 | 7.
| Williams College, Williams College Museum of Art, Williamstown, Massachusetts | 448 | 8.
| Williams College, Williamsiana, Williamstown, Massachusetts | 1 | 9.
| Williams College, Williamstown, Massachusetts | 20 | 10.
| Williams Companies, Tulsa, Oklahoma | 43 |
|