Gray Howard Levi <br/><br/>
English field systems 
Gray Howard Levi 
 - NA  NA         1959 
<br/><br/><label>Standard No.: </label>106,015 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HISTORY
<br/><br/><label>Dewey Class. No.: </label>V3:10J.M, J9 (UD)