If you find a copy on archive.org, consider whether it was uploaded by a rights holder (unlikely) or by a fan (more likely). Supporting official releases ensures that restoration and preservation efforts continue.
The search for La Collectionneuse (1967) on the Internet Archive la collectionneuse internet archive full
The full version (available on the Internet Archive) restores approximately four minutes of crucial dialogue between Adrien and Daniel regarding the concept of "passive seduction." In these missing minutes, Adrien articulates the entire moral quandary of the film: "If I sleep with her, I become a piece in her collection. If I refuse, I am a coward." If you find a copy on archive