Report. 

 - London 
<br/><br/> 1949-1951, 1955, 1956, 1958, 1960, 1961, 1963-1968  1970, 1971, 1975-1977, 1979, 1980, 1982, 1984, 1986-1989,1993-1996 
<br/><br/><label>Dewey Class. No.: </label>U64