Harris, Robert T. <br/><br/>Language and informal logic Robert T. Harris  -- New York, N.Y.  Longmas, Green and CO.  1956 <br/>viii, 274p.  21cm. <br/><br/> Includes index <br/><br/><label>Subjects--Topical Terms: </label><br/>Language<br/>Linguistics<br/><br/><label>Dewey Class. No.: </label>GC 410 H240 1956