WestlawNext now includes federal and state legislative history materials (coverage varies by source).
After retrieving the desired statute, click on the History tab. Then select one of the options for viewing the available sources.
Also included are 31 compiled legislative histories for frequently referenced federal statutes. From the homepage, click on the All Content tab, and then Statutes and Court Rules. From the right tool bar, select Legislative History. Under the heading Federal, select Compiled Legislative Histories. This page also has links to other categories of federal and state legislative history materials to be browsed or searched.