Elkins Act, "An Act to Further Regulate Commerce with Foreign Nations and Among the States." 57th Congress, Sess. 2, ch. 708, 32 Stat.847; 1903-02-19.
theodorerooseveltcenter.org
"Elkins Act". TR Encyclopedia. Dickinson, ND: Theodore Roosevelt Center, Dickinson State University. Archived from the original on 2014-04-19. Retrieved 2014-04-18.
web.archive.org
"Elkins Act". TR Encyclopedia. Dickinson, ND: Theodore Roosevelt Center, Dickinson State University. Archived from the original on 2014-04-19. Retrieved 2014-04-18.