| Level | Item |
| Ref No | L/E/7/26 |
| Alt Ref No | E(L)/7/26 |
| Title | Choreology (Effort) \ Effort study deals with two aspects of effort life |
| Date | n.d. |
| Extent | 3 sheets |
| Description | Typed manuscript by Rudolf Laban with additions and corrections. |
| Language | English |
| Physical Description | Original reference number was 32/VII/3c. |
| Format | Papers |