The Handbook of International Migration: The American Experience - Charles Hirschman - Google Books

http://books.google.de/books?id=nqBuASOFcpwC&pg=PA78&dq=Operation+Wetback&lr=&as_brr=3&cd=121#v=onepage&q=Operation%20Wetback&f=

The historic rise in international migration over the past thirty years has brought a tide of new immigrants to the United States from Asia, South America, and other parts of the globe. Their arrival has reverberated throughout American society, prompting…