Nyholm, S., Friedman, C., Dale, M. T., Puzio, A., Babushkina, D., Lohr, G., Gwagwa, A. Kamphorst, B.A., Perugia, G. & IJsselsteijn. (2023). Social Robots and Society. In: van de Poel, I., Frank, L.E., Hermann, J., Hopster, J., Lenzi, D., Taebi, B., Ziliotti, E. (eds). Ethics of Socially Disruptive Technologies: An Introduction. https://www.openbookpublishers.com/books/10.11647/obp.0366

Friedman, C. (2023). Sex Robots: Love in the Age of Machines. Journal of Ethics of Emerging Technologies, 33(1). https://doi.org/10.55613/jeet.v33i1.123

Friedman, C. (2023). Negative Rights for Humanoid Robots. In: Hakli, R., Mäkelä, P., Seibt, J. (eds). Social Robots in Social Institutions. Frontiers in Artificial Intelligence and Applications, volume 366.

Friedman, C., Nyholm, S., Frank, L.E. (2022). Emotional Embodiment in Humanoid Sex and Love Robots. In: J. Loh & W. Loh (eds). 

Friedman, C. Ethical concerns with replacing human relations with humanoid robots: an ubuntu perspective. AI Ethics (2022). https://doi.org/10.1007/s43681-022-00186-0

Friedman, C. (2022). Robot Theology: Old Questions through New Media. Journal of Ethics and Emerging Technologies, 32(1), 1–3. https://doi.org/10.55613/jeet.v31i1.100

Friedman, C. (2020). Human-Robot Moral Relations: Human Interactants as Moral Patients of Their Own Agential Moral Actions Towards Robots. In: Gerber, A. (eds) Artificial Intelligence Research. SACAIR 2021. Communications in Computer and Information Science, vol 1342. Springer, Cham. https://doi.org/10.1007/978-3-030-66151-9_1