HeinOnline

HeinOnline provides a collection of full-text legislative histories on some of the most important and historically significant pieces of legislation, including the National Environmental Policy Act of 1969. 

Congress.Gov

Congress.gov is the official website for the United States federal legislative information. This system provides accurate, timely, and complete legislative information to both Congress and the public. To access all legislative information regarding NEPA, including but not limited to committee reports, committee meetings, committee publications, congressional records, and treaty documents, click here. 

Westlaw

 Westlaw provides a comprehensive overview of NEPA legislative history. This includes, but is not limited to, congressional records, congressional reports, congressional testimony, political transcripts, executive orders, and presidential messages and signing statements. 

GovInfo

GovInfo is a digital library and online archive, a service of the United States Publishing Office that provides free public access to official publication from all three branches of the U.S. Federal Government. All published materials related to NEPA can be accessed here.