Not too long ago, I read that one can see her notebooks yourself! You can sign up and be on a list to do so! If you visit Paris... And sign a waiver... And wear some protective clothing...

Because her notebooks are still radioactive and will be for quite some time to come.

https://www.thevintagenews.com/2018/02/27/marie-curie/

(I still chuckle - nervously - whenever I am reminded about this fact!)