I 64.511 

History new Cambridge modern. 


10. 
The zentith of European power. 1830-70. 
1960. 
11. 
Materialprogress and world-wide problems. 
1870-1898. 1962. 
12. 
The Era of Violence. 1898-1945. 1960. 
14. 
Atlas. 1970.