Heterocyclic compounds  edited by Robert C. Elderfield. 

 - New York  John Wiley  1951 
 - vii, 571p. 23cm. 
<br/><br/>Contents: Polycyclic five and six membered compounds containing one O or S atom. Elderfield, Robert C. 
<br/><br/><label>Dewey Class. No.: </label>547.59  / H59H