| Level | Item |
| Ref No | US/PH/2/5/264 |
| Alt Ref No | Z/1813/P5 |
| Title | Staff Portraits: Professor Riordan |
| Date | 1991 |
| Extent | 2 black and white photographs |
| Name of Creator | Audio Visual Aids Unit University of Surrey |
| Description | Portrait photograph of Professor Riordan of the Department of Linguistics and International Studies at the University of Surrey |
| Copyright | Copyright of the University of Surrey |
| Format | Photograph |