History, constitution and by-laws, 1935-1976 (2 folders)
General
Membership records and topical papers
Minutes, 1935-1950
Minutes and correspondence, 1950-1968 (2 folders)
Minutes, correspondence and topical papers
1950-1953
1956-1958
1958/59
1959/60-1960/61
1961/62-1963/64
Topical papers
1964/65
1965/66
1966/67
1967/68
Minutes, correspondence and topical papers
1968/69
1969/70
1970/71
1971/72
1972/73
1973/74
1974/75
1975/76-1976/77
1977/78
1978/79
1979/80
1980/81
1981/82-1982/83
1983/84-1985/86
1986/87
1987/88
1988/89
1989/90
1990/91