| Repository | Special Collections Archives (GB 0029) |
| Ref No | EUL MS 397/3/13/4/3 |
| Alt Ref No | EUL MS 397/192 |
| Date | c 1958 |
| Level | File |
| Extent | 3 folders |
| Title | 'The Cube Root of Minus One' |
| Description | Three loose typescript carbon copies of 'The Cube Root of Minus One' |
| Language | English |
| Format | Typescript |
| Access Status | Open |
| Copyright | Literary executor |
| Creator_Name | Duncan, Ronald Frederick Henry (1914-1982); author, poet and librettist |