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Alexandria: A Historical Outline
The Hellenic Electronic Center offers extensive information about Alexandria starting with its founding by Alexander to contemporary times. Describes the achievements of the city and its decline because of other sea routes for trade.
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Catholic Educator's Resource Center: The Galileo Affair
Online essay concerning the battle between Galileo and the Catholic Church over the issue of heliocentrism, or, whether the sun or the earth is at the center of the universe.
Other
The House of Ptolemy: Home Page
An extensive directory of Internet resources related to the Macedonian Dynasty in Egypt.