Mourning Dove was an activist, ethnographer and novelist, and one of the first, if not the first, Indigenous women in the U.S. to publish a novel. Part one covers the Confederated Tribes of the Colville Reservation and her early career.
Research:

Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25