| Level | Item |
| Ref No | L/E/6/68 |
| Alt Ref No | E(L)/6/68 |
| Title | Choreology (Effort) \ Channel of decision |
| Date | n.d. |
| Extent | 2 sheets |
| Description | Handwritten notes by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 20/IV/12. |
| Format | Papers |