United States: The Constitution
"A bibliography on American constitutional law from the Law Library of Congress on such topics as: constitutional interpretation, executive privilege, war initiation, war powers, war powers resolution, state secrets privilege, military tribunals, national security whistleblowers, presidential signing statements, second amendment, presidential inherent powers, and additional constitutional resources."
Informative web site on Constitution Day for educational institutions maintained by National Constitution Center.
"September 17 is Constitution Day commemorating the signing of the U.S. Constitution in Philadelphia on September 17, 1787.
Fifty years ago, all four pages of the U.S. Constitution went on display at the
National Archives for the first time."
https://www.loc.gov/exhibits/treasures/tr00.html#constitution
Find information on Constitution Day and Citizenship Day from Library of Congress.
"Constitution Day and Citizenship Day is observed each year on September 17 to commemorate the signing of the Constitution on September 17, 1787, and “recognize all who, by coming of age or by naturalization, have become citizens.”"
"Citizens of the United States have celebrated Independence Day and Presidents' Day since the 1870s, and in 2005, the nation began to celebrate Constitution Day. Also known as Citizenship Day, Constitution Day is an American holiday honoring the day 39 delegates to the Constitutional Convention signed the United States Constitution. This historic date was September 17, 1787."
Find more information on the history of Constitution Day, maintained by ConstitutionFacts.com.