This Nation
This nation.com: Schenk v. United States (1919)
This site from ThisNation.com provides Justice Oliver W. Holmes, Jr.'s full text of the Supreme Court's decision in this landmark case.
PBS
Wnet: Thirteen: The Supreme Court: Landmark Cases: Schenck v. u.s. (1919)
PBS offers a summary of the landmark Supreme Court case of Schenck v. U.S. which dealt with when an individual's free speech rights under the First Amendment presented a "clear and present danger." This case has since been overturned.
Cool Fire Technology
Cool Fire Technology: Supreme Court Decisions
A listing of the most significant Supreme Court cases in the nineteenth and twentieth centuries with brief summaries of how they impacted on federalism.