| Level | Item |
| Ref No | L/E/6/29 |
| Alt Ref No | E(L)/6/29 |
| Title | Choreology (Effort) \ Effort control |
| Date | n.d. |
| Extent | 11 sheets |
| Description | Handwritten manuscript by Rudolf Laban with a diagram of the seven-ring space form and motion factors. |
| Language | English |
| Physical Description | Original reference number was 16/V/2b. |
| Format | Papers |