There are many different types of Government documents that are related to the Congress and the Presidency. In order to find information efficiently, take a moment to think about the kind of information you are trying to locate:
Check out this "Key to Legislative Citations" table on the U.S. Senate website for explanation of what each part of the citation signifies.
The U.S. Government is one of the single largest publishers of information. The major publications of the Congress are as follows:
Congressional Records are the official proceedings and debates on the U.S. Congress and essentially includes what happened verbatim on the floor of Congress. They are a wealth of resources for tracking current legislation including opinions, vote tracking, and more.
Congressional Records are lengthy, but they all contain the same information (in this order):
When searching in any section, use the Ctrl+F feature on your keyboard to search within the PDF for keywords such as a Senator's name, key phrase, etc.
GENERAL
PRESIDENTIAL PAPERS & STATEMENTS
GOVERNMENT