Two box sets with a theme:
Ken Russell: The Great Composers Box Set
Monitor and Omnibus: Elgar (1962)
The Debussy Film (1965)
Delius: Song of Summer (1968)
Ken Russell: The Great Passions Box Set
Always on Sunday (1965)
Isadora: the Biggest Dancer in the World (1966)
Dante's Inferno (1967)