Mysteries of the Sahara

By National Geographic Society U. S.

Ancient Civilizations of the Aztecs and Maya

By National Geographic Society U. S.

Australia

By National Geographic Society U. S.

Text originally published in "National Geographic" discusses the geography, history, and people of the continent of Australia at the beginning of the twentieth century.

Grand Canyon Experiences

By Arthur M. Schlesinger Jr., Fred L. Israel

Lighthouses

By Arthur M. Schlesinger Jr., Fred L. Israel, National Geographic Society U. S.

Text originally published in "National Geographic" describes the lighthouse system around the coasts of the United States, from the eighteenth century to the early years of the twentieth century.

Touring China 80 Years Ago (Cultural and Geographical Exploration, Chronicles from National Geographic)

By

Articles from issues of "National Geographic" magazine describe life in China during the first part of the twentieth century.

History of American Presidential Election 1789 2001 History of American Presidential Elections 1789 2001

By

I Do Solemnly Swear

By President Of The United States

Major Peace Treaties of Modern History 1648 2000

By

Major Peace Treaties of Modern History 1648 2000 Major Peace Treaties of Modern History

By Fred L. Israel