| Level | Item |
| Ref No | L/E/6/50 |
| Alt Ref No | E(L)/6/50 |
| Title | Choreology (Effort) \ In hearing a sound... |
| Date | n.d. |
| Extent | 5 sheets |
| Description | Handwritten manuscript by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 20/I/19. Pages numbered a-e. |
| Format | Papers |