| Level | Item |
| Ref No | L/E/5/17 |
| Alt Ref No | E(L)/5/17 |
| Title | Choreology (Effort) \ Working pattern of mental action power, The |
| Date | n.d. |
| Extent | 5 sheets |
| Description | Handwritten manuscript by Rudolf Laban relating to fertilisation of imagination, with analytical drawings. This document is referred to in L/E/5/18. |
| Language | English |
| Physical Description | Original reference number was 4/II/3. Pages numbered I-V. |
| Format | Papers |