question, but Supreme Court declined to reach the issue Footnotes External links Casebrief of Missouri v. Holland at Bloomberg Law 1920 in the environment 1920 in United States case law United States Supreme Court cases United States Supreme Court cases of the White Court United States environmental case law United States foreign relations case law United States Tenth Amendment case law Supremacy Clause case law Legal history of Missouri 1920 in Missouri Bird hunting Hunting in the United States