| RefNo | Title | Date |
| XZA/872/2 | Morley at the Musicals \ 2 \ Musical and Shakespeare, The | 12 February 1999 |
| XZA/107 | Development and Analysis of Ashton's Style \ 2 of 2 | 30 July 1996 |
| XZA/104 | Ashton Choreography \ Historical Overview, An \ 1 of 2 | 29 July 1996 |
| XZA/105 | Ashton Choreography \ Historical Overview, An \ 2 of 2 | 29 July 1996 |