| StorageSite | UCL Special Collections |
| Level | Item |
| Reference Number | PENROSE/2/40/1/3 |
| Title | Article "The Porcupine Man" |
| Date | 9 May 1957 |
| Description | Article "The Porcupine Man" by Penrose in The Listener, 9 May 1957, featuring the same text as the transmission script. |
| Extent | 2 folios |
| AccessStatus | Open |
| AccessConditions | The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking. |
| PublnNote | The Listener, 9 May 1957. |