Mahler, Walter R. <br/><br/>
Twenty years of merit rating 1926-1946 

 - New York  Psychological Corporation  1947 
 - viii, 73p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliographies and catalogues
<br/><br/><label>Dewey Class. No.: </label>016.1 MAH(R-B)