Search for Statutes at Large, American State Papers, and U.S. Serial Set; Journals of Congress; and Debates of Congress including the Annals of Congress, the Register of Debates, the Congressional Globe, the Congressional Record, and a lot more.

Documents from the Continental Congress and the Constitutional Convention, 1774 to 1789.

Hosted at Yale Law School. Comprehensive source of primary and secondary legal research resources; includes access to TWEN web courses. Includes: Declaration of Independence, Articles of Confederation, Notes on the debates in the Federal Convention, Federalist Papers, and the Ratification Resolutions of the States

Compiled and edited by Charles J. Kappler, and presented by the Oklahoma State University Library, this compilation contains laws concerning Indian affairs up to 1971, treaties from 1778-1883, executive orders, and proclamations. Contains indexes and tables of contents. Accessible in text or printed page format. http://digital.library.okstate.edu/Kappler/
Digital versions now also available via GPO's govinfo: https://tinyurl.com/ycx55c9x

University of Nebraska-Lincoln has digitized a collection of Early Recognized Treaties with American Indian Nations, which supplements the treaties found in Kappler’s Indian Affairs: Laws and Treaties.

National Archives Catalog of Indian Treaties from the years 1789-1869. Contains handwritten treaties along with attested Senate manuscript copies of Presidential ratifications and confirmation of the treaties.