Washington University Law Quarterly
The right to travel has been deeply enmeshed in the Anglo-American tradition. In the relatively small country of England this need was particularly obvious, and there can be little doubt that both England and the United States owe a great deal of their commercial and intellectual growth to the freedom of international mobility.
William B. Gould,
Right to Travel and National Security,
1961 Wash. U. L. Q. 334
Available at: http://openscholarship.wustl.edu/law_lawreview/vol1961/iss4/2