…a state may not, under the guise of protecting the public, arbitrarily interfere with private business or prohibit lawful occupations or impose unreasonable and unnecessary restrictions upon them.
– Supreme Court Justice Pierce Butler, Jay Burns Baking Co. v. Bryan 
- Pierce Butler Short Biography
- Timeline of the Justices: Pierce Butler (1923-1929)
Supreme Court Historical Society
- Pierce Butler (1866-1939)
- Greatest Heroes Who Fought FDR’s New Deal
by Jim Powell