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LONDON
METHUEN AND CO.
36 ESSEX STREET
_Seventh Edition_
_First Published_ _November 1899_
_Second Edition_ _November 1899_
_Third Edition_ _April 1900_
_Fourth Edition_ _November 1900_
_Fifth Edition_ _January 1901_
_Sixth Edition_ _October 1902_
_Seventh Edition_ _December 1906_