| RefNo | Title | Date |
| HB/E/26/6 | John Gregory \ Correspondence \ 1984 | 1984 |
| HB/F/4/156 | Paris International Dance Competition \ 1984 \ Mazako Ohya and Rudolf Nureyev | November 1984 |
| HB/E/23/11 | Competitions \ Masako Ohya \ Murou Royal Country Club | 1988 |
| HB/E/27/6 | John Gregory \ Correspondence \ 1991 | 1991 |
| HB/F/4/153 | Paris International Dance Competition \ 1984 \ Mazako Ohya, Rudolf Nureyev, Igor Terentiev and Farouk Rouzimatov | November 1984 |