US National Archives
Nara: Charters of Freedom: The Constitution: Amendments 11 27
Check here to read the three amendments passed during the Progressive Era, the 16th, 17th, & 18th amendments. From the National Archives and Records Administration.
Claremont Institute
Founding.com: The Constitution
The Constitution of the United States with its amendments is here.
Thomson Reuters
Find Law: u.s. Constitution: Article V
This resource provides information about Article V of the United States Constitution.
US National Archives
Nara: Featured Documents: The Constitution the 19th Amendment
This National Records and Administration site provides a look at the original copy of the 19th amendment to the Constitution, which awarded women the right to vote in the United States.
Cornell University
Cornell University: Law School: Articles and Amendments
This resource gives a table of the Articles and Amendments of the United States Constitution.
University of Chicago
The Founders' Constitution: Amendment V: Barron v. Baltimore
Provides the opinion of the Supreme Court written by Chief Justice Marshall in the case of Barron v. Mayor of Baltimore.
Thomson Reuters
Find Law: u.s. Constitution: Eighteenth Amendment
The 18th amendment regarding the prohibition of intoxicating liquors, as it is worded in the U.S. Constitution. Annotations about the validity, enforcement, and repeal of the amendment are provided, as well as footnotes.
Other
Constitution of the People's Republic of China
Here is the full text of China's Constitution, complete with preamble, articles, and latest amendments.
Texas State Library and Archives Commission
Texas State Library and Archives Commission: The Texas Constitution of 1876
Explains the evolution of the Texas Constitution from its earliest manifestation in 1836 up to its final form in 1876. Numerous amendments took place after that, leaving it in its current state, which many people find confusing.
Cornell University
Cornell University: Law School: Constitution of the u.s.
The Constitution of the United States is provided by the Legal Information Institute of Cornell University of Law.
Bill of Rights Institute
Bill of Rights Institute: Additional Amendments
The Constitution contains within itself the process of changing it. The amendment process is described in Article 5. Amendments can be proposed in Congress when 2/3rd of both Houses agree. The states can play a role in proposing changes...
Yale University
Avalon Project: Amendments Proposed by Hartford Convention
This is the text of the constitutional amendments proposed by the Hartford Convention in 1814, trying to get the federal government to give control of militias to the states and recognize other New England interests.
US Government Publishing Office
U.s. Government Publishing Office: Constitution of the United States of America: 16th Amendment Income Tax [Pdf]
Read this text of the 16th Amendment, followed by the history of the Amendment and an analysis. (PDF)
University of Missouri
Exploring Constitutional Conflicts: Engle v. Vitale
Read the majority and dissenting opinions in the Engle v. Vitale case of 1962 which held that school-sponsored prayer in public schools violates the Establishment Clause of the First Amendment.
University of Minnesota
The Fourteenth Amendment and the Rights Revolution: Muller v. Oregon
In the Progressive Era many states passed laws to protect workers and establish decent working conditions. Read the text of Muller v. Oregon, heard before the Supreme Court in 1908, that upheld Oregon's laws as constitutional.
Thomson Reuters
Find Law: u.s. Constitution: Twenty Second Amendment
Complete text, as it is worded in the U.S. Constitution, of the Twenty-Second Amendment. Also provided are annotations of the amendment and a footnote at the bottom of the page.
Thomson Reuters
Find Law: u.s. Constitution: Fifteenth Amendment
This resource provides the 15th Amendment, which declares the Right of Citizens to Vote, with annotations on Abolition of Suffrage Qualificatrions, Adoption and Judicial Enforcement, and Congressional Enforcement.
Lectric Law Library
The 'Lectric Law Library: Sixth Amendment
The "Lectric Law Library's definition and explanation of the amendment, including the "impartial jury" phrase.
Thomson Reuters
Find Law: u.s. Constitution: Twenty Second Amendment
Read the text of the Twenty-second Amendment and explanatory annotations.
Curated OER
National Park Service: Andrew Johnson Historic Site: Fourteenth Amendment
The complete text of the 14th Amendment of the U.S. Constitution.
Thomson Reuters
Find Law: u.s. Constitution: Twelfth Amendment
This resource reviews the text of the Twelfth Amendment and related annotations.
Digital History
Digital History: The Constitution [Pdf]
Find the text of the Constitution and amendments along with an explanation of each article and section. [pdf]
Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Passage of the 19th Amendment
This site from the Modern History Sourcebook of Fordham University comprises a series of articles from the New York Times detailing the passage of the 19th Amendment to the U.S. Constitution in Congress and the battle to get the...
Thomson Reuters
Find Law: Annotation 2: Fifth Amendment
This resource explains the phrase "double jeopardy," including a look at its development through history.