In the February 1976 issue of Word Ways, Paul Remley presented an interesting article on three-dimensional word cubes of the sixth order. After re-reading this recently, I decided to attempt a solution using words taken from a single reference only. Mr. Remley stated that he was convinced such a solution existed, and was proved correct when the following cube presented itself after a number of hours delving into the Oxford English dictionary.
Word Ways: Vol. 11
, Article 10.
Available at: http://digitalcommons.butler.edu/wordways/vol11/iss3/10