12 Louis M. Sears, Jefferson and the Embargo (Durham, 1927).
13 On the declaration of war in 1812, a map of voting by Congressional district appears in Charles O. Pauliin, Atlas of the Historical Geography of the United States (Washington, 1932), 113a; and residence of Congressmen in Bardford Perkins, Prologue to War: England and the United States, 1805-1812 (Berkeley and Los Angeles, 1961), 409.