| Level | Item |
| Ref No | L/E/13/20 |
| Alt Ref No | E(L)/13/20 |
| Title | Choreutics \ Hohlraum an 4 Schrägen [Hollow space on 4 slopes] |
| Date | n.d. |
| Extent | 4 sheets |
| Description | Analytical drawings and handwritten notes by Rudolf Laban. |
| Language | German |
| Physical Description | Original reference number was 22/I/50. |
| Format | Papers |