| Level | Item |
| Ref No | L/E/7/69 |
| Alt Ref No | E(L)/7/69 |
| Title | Choreology (Effort) \ Shadow move chains and their reversions |
| Date | n.d. |
| Extent | 19 sheets |
| Description | Typed manuscript by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 65/I/4. Pages numbered 69-86. |
| Format | Papers |