| Letter Details | |
| Location | 5b:12 |
| Writer | Halpern, Daniel |
| Recipient | Gardner, John |
| Date | 2/9/1982 |
| Place | New York, NY: Columbia Univ. |
| Pages | 1 |
| Details | Typed Signed |
| Subject(s) | Appearances Invitation to conduct a Special Seminar at Columbia University |
| ID | 941 |
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