Oxford Reference Dictionary

Oxford Pocket Fowler's Modern English Usage Allen, Robert Oxford Dictionary of Slang Ayto, John A Dictionary of Modern American Usage Garner, Bryan A. Cassell Concise English Dictionary Kirkpatrick, Betty Macmillan English Dictionary Macmillan Penguin Thesaurus Fergusson, Rosalind Collins Concise Dictionary Collins Collins Paperback English Thesaurus Collins