| Owner | Count | 1.
| Rittenhouse Hotel, Philadelphia, Pennsylvania | 1 | 2.
| Rittenhouse Square, Philadelphia, Pennsylvania | 1 | 3.
| Rittenhouse Square, Philadelphia, Pennsylvania | 5 | 4.
| Ritter, Bob, Mrs, Alamo, California | 1 | 5.
| Ritter, C. W., Las Cruces, New Mexico | 1 | 6.
| Ritter, C. W., Mr. & Mrs., Mesilla Park, New Mexico | 1 | 7.
| Ritter, Henry Stoddard, Mrs, | 1 | 8.
| Ritter, John, Washington, District of Columbia | 1 | 9.
| Ritter, Joseph A., M.D., Narberth, Pennsylvania | 1 | 10.
| Ritter, Marc, | 1 |
|