Elrod, J. McRee. <br/><br/>
Choice of subject headings 
by J. McRee Elrod. 
 - 3d ed. 
 - Metuchen, N.J.  Scarecrow Press  1980. 
 - viii, 49 p.  ill.  22 cm. 
 - His Modern library practices series  no. 5 .
 - Elrod, J. McRee.  Modern library practices series  no. 5. .
<br/><br/> "The third edition incorporates a number of revisions and corrections and is current as of 1980."  Includes index. 
<br/><br/><label>ISBN: </label>0810813408 
<br/><br/><label>LCCN: </label>80023719  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject cataloging--Programmed instruction.<br/>Subject headings--Programmed instruction.
<br/><br/><label>LC Class. No.: </label>Z674  Z695  / .E47 1980, no. 5 
<br/><br/><label>Dewey Class. No.: </label>025 s  025.4/7/02854