Kipfer, Barbara Ann. Roget's 21st century thesaurus in dictionary form : the essential reference for home, school, or office / Barbara Ann Kipfer. - London : Hale, 2005. - xi, 962p. ; 25cm. Includes index. ISBN: 9780440242697 Subjects--Topical Terms: English language Dictionaries. Dewey Class. No.: 423.1 / K B R