Bakken, Tor Chr., ed. (2008). "Professor Kohts vei.". Budstikkas store Asker og Bærum-leksikon (in Norwegian). Oslo: Kunnskapsforlaget. ISBN978-82-573-1534-4. Archived from the original on 22 March 2012. Retrieved 4 May 2011.
See a lecture showing his attitude toward religion:"The Nobel Peace Prize 1931 – Presentation Speech", by Halvdan Koht. Nobelprize.org. Nobel Media AB 2014. Web. 5 January 2015. He states: "...human perfectability, the capacity to become more and more perfect. It is a faith which has provided the foundation for some of our greatest religions and one which has inspired much of the best work for progress. It was proclaimed by Jesus Christ; it inspired the work of men like Emerson and Wergeland."
Bakken, Tor Chr., ed. (2008). "Professor Kohts vei.". Budstikkas store Asker og Bærum-leksikon (in Norwegian). Oslo: Kunnskapsforlaget. ISBN978-82-573-1534-4. Archived from the original on 22 March 2012. Retrieved 4 May 2011.