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| Title | Artist | Medium & Support | Creation Date |
| HPSCHD Poster #2 | Sumsion, Calvin | silkscreen | 1969 |
| HPSCHD Poster #3 | Sumsion, Calvin | silkscreen | 1969 |
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Click on a column heading to sort the list.
| Title | Artist | Medium & Support | Creation Date |
| HPSCHD Poster #2 | Sumsion, Calvin | silkscreen | 1969 |
| HPSCHD Poster #3 | Sumsion, Calvin | silkscreen | 1969 |