Buck v. Bell is the 1927 SCOTUS decision that upheld the constitutionality of laws allowing involuntary sterilization of people deemed to be “unfit.” Most of these laws have been repealed, but Buck v. Bell has never been directly overturned.
Research:

Elizabeth Bisland, Beyond the Trip Around the World
42:54

SYMHC Classics: Marie Laurencin
32:46

Behind the Scenes Minis: Censorship Cats
26:59