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Desk Reference to u.s. Commercial Immigration
This is an overview of immigration issues employers are more than likely going to face. This summary is very broad and does not cover all aspects of each issue.
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Diversity Alliance for a Sustainable America
This group seeks to stabilize the population growth in America by limiting immigration. They present their platform and possible solutions.
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Immigration Information: Homepage
This site from the Immigration Information provides very comprehensive information on the subject. Includes US immigration law, policy, and procedures.