| Level | Item |
| Ref No | L/E/5/23 |
| Alt Ref No | E(L)/5/23 |
| Title | Choreology (Effort) \ Effort as a psychophysic merger |
| Date | n.d. |
| Extent | 3 sheets |
| Description | Handwritten manuscript by Rudolf Laban relating to indulging in and fighting against reflexes. |
| Language | English |
| Physical Description | Original reference number was 4/II/23. Written on notepaper from the Eccleston Hotel, London SW1. |
| Format | Papers |