If, then, the control of the people over the organs of their government be the measure of its republicanism, and I confess I know no other measure, it must be agreed that our governments have much less of republicanism than ought to have been expected; in other words, that the people have less regular control over their agents, than their rights and their interests require.

Memoirs, Correspondence, and Private Papers of Thomas Jefferson: Late President of the United States (ed. 1829)