Congressional reports originate from congressional committees and deal with proposed legislation and issues under investigation. There are two types of reports House and Senate Reports and Senate Executive Reports.
Congressional documents originate from congressional committees and cover a wide variety of topics and may include reports of executive departments and independent organizations, reports of special investigations made for Congress, and annual reports of non-governmental organizations. There are three types of documents: House and Senate Documents; Senate Executive Documents; and Senate Treaty Documents.
The United States Statutes at Large is the official source for the laws and resolutions passed by Congress. The eighteen volumes presented in this online collection cover the laws of the first forty-three Congresses, 1789-1875.