The United States in its world relations /
[by]Nelson Manfred Blake [and] Oscar Theodore Barck, jr.
- New York : McGraw-Hill, 1960.
- 840 p. : ill., maps ; 24 cm.
- McGraw-Hill series in American history .
- McGraw-Hill series in American history. .
20150600
United States--Foreign relations. Estados Unidos--Relaciones exteriores.