A combination of Birthdays of Freedom, Book I, published in 1962, and Birthdays of Freedom, Book II, published five years later, with the addition of an index of people (Adams, John; Adams, Samuel; Adrian VI, Pope; Agricola, Gnaeus Julius. . .) and one of places, events and general topics (. . . Worms, Diet of; writing, beginning of; Yellow River; Zeus, Greek god).