| Owner | Count | 1.
| Slade, Michael, Ridgewood, New Jersey | 1 | 2.
| Slade, Winton L., Lancaster, Pennsylvania | 1 | 3.
| Slader, Genevieve, Ft. Calhoun, Nebraska | 1 | 4.
| Sladmore Gallery, London, England | 4 | 5.
| Slagle, K. C. Dr., West Chester, Pennsylvania | 1 | 6.
| Slagle, Kenneth C., Dr, West Chester, Pennsylvania | 1 | 7.
| Slagle, Margaret Anne, Annadale, Virginia | 2 | 8.
| Slagle, Margaret B., Arlington, Virginia | 2 | 9.
| Slate Rock Park, Providence, Rhode Island | 1 | 10.
| Slater, Denys R., Mr. & Mrs., Dallas, Texas | 1 |
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