Pertinent problems and questions 

 -  1977 
<br/><br/><label>Standard No.: </label>270,345 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HISTORY
<br/><br/><label>Dewey Class. No.: </label>V46:19, L7