*Update 10/5:
Just added:

A House Divided: Denmark's Vesey's Rebellion- 1982
The Woman Who Willed A Miracle- 1983
Hard Feelings- 1982
No Diamonds For Ursula- 1967
Fair Game- 1994
Black Neon- 1991
The Challenges- 1969
Balloon Club Revisited- 2006
Appassionata- 1984
Take A Chance- 1933
Track of Thunder- 1967
Calle Santa Fe- 2007
Wolf Girl- 2005
Portrait of a Young Girl in the Late 60s in Brussels- 1994
Benilde or the Virgin Mother- 1975
Piege- 1970
O.K.- 1964

rarefilmm.com is a fantastic website focusing on films from around the world that never received a region 1 DVD release. It is an amazing place to discover hard to find rarities and gems. I have nothing to do with the site and just want to try and direct people to this wonderful collection

*There are other lists for rarefilmm on Letterboxd but I am in contact with Jon, the owner of rarefilmm, so this is the most accurate list of what is on the site

The following films are not on letterboxd but available on the site:

The Secret Of Marcel Duchamp- 1997
Kumba Mela- 1977
Hawkins- 2001
The Tutor- 2007
Hypnos- 2003
The Magic Pearl- 1996
The Ten Commandments of Krzysztof Kieslowski- 1990