| Level | Item |
| Ref No | L/E/7/72 |
| Alt Ref No | E(L)/7/72 |
| Title | Choreology (Effort) \ Effort as an orientation in time |
| Date | n.d. |
| Extent | 69 sheets |
| Description | Typed manuscript by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 68/I/1. Pages numbered 1-68. |
| Format | Papers |