| Level | Item |
| Ref No | L/E/6/56 |
| Alt Ref No | E(L)/6/56 |
| Title | Choreology (Effort) \ There is a difference between producing voluntarily the dynamic effort... |
| Date | n.d. |
| Extent | 4 sheets |
| Description | Typed manuscript by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 20/II/16. |
| Format | Papers |