Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class II. Words Relating to SpaceSection I. Space in General
3. Existence in Space
Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class II. Words Relating to Space