Circuses

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World Society for the Protection of Animals -- Canada
A non-profit, international organization working for the prevention of cruelty to, and the protection of, all animals.

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The City in History
Its Origins, Its Transformations, and Its Prospects
Mumford, Lewis
1961
Beginning with an interpretation of the origin and nature of the city, Mumford follows the city's development from Egypt and Mesopotamia through Greece, Rome, and the Middle Ages to the modern world.