Top 10 Horror Films released in 1964 The Black Torment*
Blood and Black Lace
The Long Hair of Death
The Masque of the Red Death
Witchcraft
Devil Doll
The Last Man on Earth
At Midnight I'll Take Your Soul
The Tomb of Ligeia
Cave of the Living Dead 
Quite a thin year in terms of what i would call classics. Aside from the top four the rest are pretty interchangeable.