kami, Kubrick didnt film in 1.33:1 mostly.
Lolita was shot in 1.66:1
Dr Strangelove was shot with both 1.37:1 and 1.66:1, some theatres matted the showing (cropped off part of the picture) to have it play 1.85:1. The film itself varies between the two aspect ratios.
2001 was shown in both 2.21:1 70mm and in 2.35:1 scope 35mm
Clockwork Orange was shot in 1.66:1
Barry Lyndon was shot in 1.66:1
Shining was shot in 1.33:1
Full Metal Jacket was shot in 1.85:1
Eyes Wide Shut was shot in 1.33:1