| Level | Item |
| Ref No | L/E/18/18 |
| Alt Ref No | E(L)/18/18 |
| Title | Choreology in general \ Calculations of angles with supporting diagrams |
| Date | n.d. |
| Extent | 11 sheets |
| Description | Handwritten notes and drawings by Rudolf Laban. |
| Language | English |
| Physical Description | Original reference number was 51/I/2b. |
| Format | Papers |