Briggs, Vernon M., <br/><br/>
Still an open door?  U.S. immigration policy and the American economy/ 
Vernon M. Briggs, Jr. and Stephen Moore. 
 - Washington, D.C.:  American University Press,  1994. 
 - 167 pages :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>1879383314  240.74 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Emigration and immigration--Economic aspects.<br/>United States--Emigration and immigration--Government policy.