Report. 

 - Washington  For sale by the Supt. of Docs., U.S. Govt. Print. Off.  1968. 
 - iv, 197 p.  illus., maps.  27 cm. 
<br/><br/> Commonly known as the scammon report. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>68062267  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Emigration and immigration.<br/>Estados Unidos. --Emigración e inmigración.
<br/><br/><label>Dewey Class. No.: </label>325.73