The Yeomen of the Guard
Princess Ida
The Gondoliers 
The Pirates of Penzance 
lolanthe  
The Mikado
Patience 
Ruddigore 
Cox and Box  
HMS Pinafore 
Trial by Jury
The Sorcerer
Utopia Ltd. 
The Zoo
The Grand Duke

1925 1931 1951 1961 1972 1980 1989 1999 2010
1926 1935 1952 1960 1971 1982 1992 2003
1927 1933 1947 1954 1962 1969 1979 1991 2002
1928 1936 1959 1970 1981 1990 2000
1929 1949 1957 1967 1976 1985 1995 2005
1930 1937 1948 1956 1963 1974 1983 1993 2004
1932 1938 1953 1964 1973 1987 1998
1934 1950 1958 1965 1975 1986 1996 2008
1936 1990
1939 1955 1968 1978 1988 1997 2009
1939 1955 1966 1978 1988 1997
1966 1984 1994 2006
1977 2007
1981
2001