| Level | Item |
| Ref No | L/E/5/41 |
| Alt Ref No | E(L)/5/41 |
| Title | Choreology (Effort) \ Degrees |
| Date | n.d. |
| Extent | 6 sheets |
| Description | Handwritten manuscript by Rudolf Laban relating to motion factors. |
| Language | English |
| Physical Description | Original reference number was 4/IV/13. Pages numbered 100-105. |
| Format | Papers |