Sweet 16 (1983)

 Sweet Sixteen

Disorder (1962)

 Il disordine

The Trip (1967)

 A Lovely Sort of Death

Psych-Out (1968)

 Revolt of the Flower People, Love on Haight

The Sisters (1969)

 Le sorelle, My Sister, My Love

So Evil My Sister (1974)

 Psycho Sisters, The Sibling