Roget, Peter Mark, 1779-1869 Roget's pocket thesaurus : based on Roget's international thesaurus of English words and phrases / edited by C.O. Sylvester Mawson; assisted by Katharine Aldrich Whiting. - xxviii, 484 pages ; 18 cm Includes index. Subjects--Topical Terms: English language--Synonyms and antonyms LC Class. No.: PE1591 / .R64 1961