Donnelly, Ignatius <br/><br/>
The destruction of Atlantis ;  Ragnarök : the age of fire and gravel / 
Introd. by Paul M. Allen 
 - 2nd ed. 
 - Blauvelt, N.Y.,  Rudolf Steiner Publications,  1974 
 - 452 p. :  ill. ;  18 cm. 
 - Steinerbooks, 1718 .
<br/><br/> Previous editions have title : Ragnarök : the age of fire and gravel 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0833417185 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atlantis (Legendary place)<br/>Drift<br/>Comets