Colton, Joel G., 1918- <br/><br/>
Twentieth century / 
by Joel G. Colton and the editors of Time-Life Books. 
 - (Nederland), N.V.:  Time-Life International,  1970. 
 - 208 p. :  ill. ;  28 cm. 
 - Great ages of man .
<br/><br/>Bibliography: p. 174 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History, Modern--20th century