United States Statutes at Large/Volume 4/21st Congress/1st Session/Resolution 2
II. Resolution granting the use of the books in the library of Congress, to the Heads of Departments, to certain officers of Congress, and to Ex-Presidents of the United States.
President of the Senate and speaker of the House of Representatives to grant the use of library to Secretaries of State, Treasury, War, Navy, Postmaster General, clerk of the House of Representatives, chaplains, and Ex-Presidents.Resolved, by the Senate and House of Representatives of the United States of America in Congress assembled, That the president of the Senate and speaker of the House of Representatives, for the time being, be, and they are hereby authorized to grant the use of the books in the library of Congress, to the Secretary of State, the Secretary of the Treasury, the Secretary of War, the Secretary of the Navy, the Postmaster General, the secretary of the Senate, and clerk of the House of Representatives, the chaplains of Congress, and any individual, when in the District of Columbia, who may have been President of the United States; at the times, and on the same terms, conditions, and restrictions, as members of Congress are allowed to use said books.
Approved, January 13, 1830.