Benson John Lossing,
Life and Times of Washington, Volume 2
“ No person shall be a senator who shall not have attained to the age of thirty years, and been nine years a citizen of the United States, and who shall not, when elected, be an inhabitant of that State for which he shall be chosen. The vice-president of the United States shall be president of the Senate, but shall have no vote, unless they be equally divided. The Senate shall choose their other officers, also a president pro tempore, in the absence of the vice-president, or when he shall exercise the office of president of the United States. ”
