Merk, Frederick,  1887- <br/><br/>
The Monroe doctrine and American expansionism, 1843-1849 / 
by Frederick Merk ; with the collaboration of Lois Bannister Merk. 
 - New York :  Alfred A. Knopf,  1966. 
 - xii, 289, ix p. :  ill., map. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Monroe doctrine.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Foreign relations--1845-1849.<br/>United States--Territorial expansion.