Migratory bird treaty, act, and regulations.
United States. Bureau of Biological Survey.
[Washington] :U.S. Dept. of Agriculture, Bureau of Biological Survey,.
Service and regulatory announcements, 40.
"Convention between the United States and Great Britain for the protection of migratory birds in the United States and Canada".
"Issued June 6, 1921".
Law and legislation
Find in a local library