Holdings

Date              Vol.    No.
1970                           Nov, Dec
1971                           Jan–Apr, Oct–Dec
1972                           Jan–Apr, Oct–Dec
1973                           Jan–Apr, Oct–Dec
1974                           Jan–Apr, Oct–Dec
1974/75        8          1–7
1975/76        9          1–4
1976/77        10       1–7
1977/78        11       1–7
1978/79        12       1–7
1979/80        13       1–7
1980/81        14       1–5