National Geographic :  eyewitness to the 20th century 
 Eyewitness to the 20th century  Eyewitness to the twentieth century 

 - Washington :  National Geographic ,  2004 
 - 400 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> 'An illustrated history'--Cover  Prepared by the Book Division, National Geographic Society  Originally published: 1998 
<br/><br/><label>ISBN: </label>0792280636 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History, Modern--20th century<br/>History, Modern--20th century--Chronology<br/>Twentieth century
<br/><br/><label>National Library of Medicine Call No.: </label>D421