Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class V. Words Releasing to the Voluntary PowersDivision (I) Individual Volition
Section I. Volition in General
2. Causes of Volition
Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class V. Words Releasing to the Voluntary Powers