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THE SIGN OF FOUR
BY
A. CONAN DOYLE
AUTHOR OF
'MICAH CLARKE,' 'THE FIRM OF GIRDLESTONE,' 'THE CAPTAIN OF THE POLESTAR,' ETC., ETC.
LONDON
SPENCER BLACKETT
MILTON HOUSE, 35, ST. BRIDE STREET, E.C.
1890
[All rights reserved.]
