Gregg, John R. <br/><br/>
The language of Taxonomy an application of symbolic logic to the study fo classificatory systems  John R. Gregg. 

 - New York  Columbia University Press  1954 
 - ix, 70p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology - classification.
<br/><br/><label>Dewey Class. No.: </label>574.001  / G80L