Harris, Robert T. <br/><br/>
Language and informal logic / 
Robert T. Harris and James L. Jarrett. 
 - New York :  Longmans, Green,  1956. 
 - 274 p. ;  21 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages.<br/>Communication.
<br/><br/><label>Dewey Class. No.: </label>400  / HAL 1956