This is a great place to come for free legal research tools. Included here are links to free resources for federal statutes, state statutes (links to each state's statutes), administrative rules & regulations, and case law.
The United States Statutes at Large, commonly abbreviated Stat., is the official record of Acts of Congress and concurrent resolutions passed by the United States Congress.
The Code of Laws of the United States of America is the official compilation and codification of the general and permanent federal statutes of the United States.
This takes you to the Utah State Code and Constitution. This is the organized and codified version of Utah's statutes. See below for the same from other states:
The Federal Register, is the official journal of the federal government of the United States that contains government agency rules, proposed rules, and public notices. It is published daily, except for holidays.
The Code of Federal Regulations (CFR) is the codification of the general and permanent rules and regulations (sometimes called administrative law) published in the Federal Register by the executive departments and agencies of the federal government of the United States.
FindLaw's Cases and Codes section contains resources and links for both state and federal laws. This includes resources pertaining to constitutions, statutes, cases and more.
From the site: "PLoL is one of the largest free law libraries in the world, because we assemble law available for free scattered across many different sites -- all in one place."