The Declaration of Independence
The US Constitution & Bill of Rights
The Federalist Papers, 1787-1788, the Founders' rationale in designing the Constitution.
The Founders' Constitution, Vol 1-5, Online Library of Liberty.
What were they thinking? The Founders in their own words - letters, essays, notes, documents.
The Northwest Ordinance, 1787, founding document of Michigan Territory
Ballotpedia offers a massive online library documenting the Administrative State (sometimes called the Deep State or The Swamp).
Besides defining the term and its constitutional components, Ballotpedia indexes agencies, court decisions, and numerous past presidents' Executive Orders and new agency rules.
The section on state actions is of special interest to healthcare freedom.
Remarkably, Idaho repealed its entire state regulatory code in 2019!
Check out significant state actions to reel in their administrative state agencies here:
State responses to the administrative state