| Level | Item |
| Ref No | L/E/6/66 |
| Alt Ref No | E(L)/6/66 |
| Title | Choreology (Effort) \ Quaternary observation of movement, The |
| Date | n.d. |
| Extent | 6 sheets |
| Description | Handwritten manuscript by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 20/IV/10. |
| Format | Papers |