Research Guides: U.S. Laws and Legislation: Overview

Getting Started

There are different types of laws, and you will need to know what kind you are looking for to get started.

Statutory law is written by legislative bodies, e.g., Congress and state legislatures.
Case law is that established by courts, e.g. common law, and interpretation of statutes and constitutions.
Regulations are laws written by agencies, e.g. Environmental Protection Agency.

You will also need to know what level of government would be creating the law: federal, state, or local.

Use secondary analysis sources to discover what laws might relate to your topic. Keep in mind that laws change over time, so you want your secondary sources to match the time period that you are interested in.

Background Information

Congress and the Nation
Find in-depth summaries of congressional trends, actions, political and policy controversies, organized by Congressional term and policy topic. This covers 1945-2016.

Congressional Publications
Click on "Congress in Context" to find reports by year that give historical context of each Congressional term, including an overview of party divisions and leadership, economic conditions, conflicts, major laws, Landmark Supreme Court cases and major events. This covers all Congressional terms, starting with the first in 1789.

The Oxford Encyclopedia of American Political and Legal History
Publication Date: 2012
Substative background information about the laws, institutions, and actors that have governed America throughout its history, covering topics like from presidents and Supreme Court justices to specifics of policy history, critical legislation, and party formation. This is a great source for gaining context about your topic.

Find Laws by Topic

Library Search: Law and Legislation
This is a search string in Library Search for books on law and legislation in the United States. Add your own keywords to this search. Books can be a great way of getting an overall understanding about an area of law.

West Study Aids
Look for "Nutshell" books to get an overview of current law on various topics, focusing on how the courts have interpreted the law. "Law Stories" books give the stories behind major Supreme Court cases on various topics.

American Jurisprudence
This is a legal encyclopedia with a comprehensive set of brief articles on topics in current federal law. This is a great place to start to understand the law for a specific area, with references to judicial history.
Constitution Annotated
A browseable and searchable U.S. Constitution, with an overview of how it has been interpreted over time and discussions of the Supreme Court’s latest opinions. This is a great place to start for understanding constitutional law.

Quick Tips for Finding Bills and Laws

Try searching in Wikipedia by topic or popular name of a bill or statute. Wikipedia articles on these include links to the official U.S. Code.
For bills, Congress.gov allows for searching by popular name.
Sometimes, the corresponding government agency website has information about related laws.
To narrow results to a specific bill or law or related documents, use the official public law or bill number. Numbers can be found in Congress.gov, Wikipedia, U.S. Code, etc.

About Congress.gov
Find out about different types of congressional information and how to search for them in Congress.gov.
Commonly Requested U.S. Laws and Regulations

Need more help?

Chat Email Schedule Appointment

Related Guides

Government Information
Find resources to look up specific laws, regulations, and court cases.
American Politics
Find information on elections, interest groups, lobbying, polls, and political speech.