Timothy J. O'Neill (December 15, 2023). "Abrams v. United States (1919)". Free Speech Center at Middle Tennessee State University. Archived from the original on February 2, 2024. Retrieved February 2, 2024.
Timothy J. O'Neill (December 15, 2023). "Abrams v. United States (1919)". Free Speech Center at Middle Tennessee State University. Archived from the original on February 2, 2024. Retrieved February 2, 2024.