The museum regularly makes new acquisitions with a view to building up an exhaustive collection of both works and documents relevant to Rodin by filling in some of the gaps.
- François Lemoyne (1688-1737) : Diana returning from the hunt, or The Evening (1729)
- Auguste Rodin (1840-1917) : Letter from Auguste Rodin to Claude Monet (1897 (22 September))
- Auguste Rodin (1840-1917) : Madame Fenaille (Circa 1900 (?))