NILES' WEEKLY REGISTER, Baltimore, a pair of consecutive issues dated Oct. 3 and 10, 1818  

 * Constitution of the State of Illinois

Inside has: "Naval Court" which takes two pages & is signed: J. Chauncey. Also: "Arbuthnot and Armbrister" & "Treasury Circular".
Taking 4 pages in the Oct. 3 issue is the: "Constitution of Illinois" which concludes in the first 3 pages of the Oct. 10 issue.
Also in the Oct. 10 issue is: "President Adams' Correspondence" "Wealth of Virginia" "Indian Lands" "Travelers In America" & a lengthy list of promotions in the: "Army of the United States".
Complete in 32 pages with the two issues, 6 by 9 1/2 inches, nice condition.

Background: Across these two October 1818 issues of Niles’ Weekly Register, the standout highlight is the complete seven-page publication of the draft Illinois State Constitution—printed just two months before Illinois was officially admitted as the 21st state on December 3, 1818, making it a critical primary source for early Midwestern legal and statehood history. Alongside this landmark document, the register covers the escalating international crisis surrounding the Arbuthnot and Ambrister Incident, detailing General Andrew Jackson’s controversial execution of two British subjects during the First Seminole War, which nearly provoked a diplomatic conflict with Great Britain. The issues are further anchored by two full pages of official Naval Court documentation signed by War of 1812 hero Commodore Isaac Chauncey, historic correspondence from former President John Adams, a Treasury Circular, coverage of Indian Lands and federal treaties, a detailed report on the Wealth of Virginia, and official post-war promotional rosters for the U.S. Army.

As noted in Wikipedia, this title: "...(was) one of the most widely-circulated magazines in the United States...Devoted primarily to politics...considered an important source for the history of the period."