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This project has not been endorsed by Encyclopædia Britannica Inc. or an agent, editor, or subsidiary thereof. Use of the trademark Encyclopædia Britannica® is strictly to acknowledge the original title of this material, which has gone into the public domain due to the expiration of the copyright of this material. When referring to this text on external websites or in news media accounts, it should instead be described as the Wikisource 1911 encyclopedia project. Any legal objections to the use of the above trademark on Wikisource should be referred to the Wikimedia Foundation, Inc.