| Level | Item |
| Ref No | L/E/63/13 |
| Alt Ref No | E(L)/63/13 |
| Title | Industrial Rhythm \ Assessments \ George Bartenieff |
| Date | 23 November 1952-29 December 1952 |
| Extent | 13 sheets |
| Description | Material regarding Rudolf Laban's effort assessment of George Bartenieff. Letter to Lisa Ullmann from Irmgard Bartenieff; to G. Bartenieff from Laban's secretary; to I. Bartenieff from Ullmann; from Laban to I. Bartenieff; and the actual effort assessment. |
| Language | English |
| Physical Description | Original reference number was IR/XXIII/5a. Pages numbered 1-8; 1-2, b. |
| Format | Papers |