This documentary does a great job of connecting the shameful racist moment of Human Zoos with the political past, the approaching fascist horizon of the time, and the present. It's inspiring to read about the nascent civil rights struggle by Black leaders, and interesting to draw parallels to modern times.
The New York Times being quoted as saying about the protesters, "We do not quite understand all the emotion which others are expressing in the matter," and denying the humanity of pygmy people has a sober recent analog.