"enthraldom | enthralldom, n." OED Online. Oxford University Press, July 2018. Web. 18 October 2018.

"enthraldom | enthralldom, n." OED Online, Oxford University Press, July 2018, proto.oed.com/view/Entry/62867. Accessed 18 October 2018.

"enthraldom | enthralldom, n.". OED Online. July 2018. Oxford University Press. http://proto.oed.com/view/Entry/62867 (accessed October 18, 2018).