Michael and Oliver discuss the role of disgust in morality and politics, and refer to:

Jeon, J., Kim, C., & Choe, J. C. (2016). Disgust and Status Hierarchy. (https://www.hbes.com/wp-content/uploads/2016/02/HBES2016FullProgram_7.pdf)

Kaminski, M. M. (2018). Games Prisoners Play: The Tragicomic Worlds of Polish Prison: Princeton University Press.