| Level | Item |
| Ref No | L/E/7/31 |
| Alt Ref No | E(L)/7/31 |
| Title | Choreology (Effort) \ Dynamic values in effort graphs |
| Date | n.d. |
| Extent | 19 sheets |
| Description | Handwritten manuscript with drawings by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 33/IV/2. |
| Format | Papers |