Christopher Columbus, Mariner

Admiral of the ocean sea

The Oxford history of the American people

History of United States Naval Operations in World War II, Vol 6: Breaking the Bismarcks Barrier, 22 July 1942 – 1 May 1944

John Paul Jones

The growth of the American republic

Sources and documents illustrating the American Revolution, 1764-1788, and the formation of the Federal Constitution

The two ocean war

The founding of Harvard college

Three centuries of Harvard, 1636-1936

The European Discovery of America: The Northern Voyages, A.D. 500-1600