| Level | Item |
| Ref No | L/E/77/42 |
| Alt Ref No | E(L)/77/42 |
| Title | Industrial Rhythm \ Questions about effort |
| Date | n.d. |
| Extent | 4 sheets |
| Description | Handwritten notes by Rudolf Laban answering questions: Why are effort assessments needed? What is an effort? What is effort-recovery? |
| Language | English |
| Physical Description | Original reference number was IR/XVII/5a. Pages numbered a-d. |
| Format | Papers |