. . "Clarke"@en . "CLARKE, Sidney W., Conjurer, and BLIND (Adolphe)" . . "Conjurer, and BLIND (Adolphe) Sidney W. CLARKE" . "Sydney W. Clarke" . . "Sydney" . "W."@en . "Clarke, Sidney W. (Sidney Wrangel)" . . "CLARKE" . . "Sidney"@en . "Sidney Wrangel Clarke" . . "Sidney W. Clarke"@en . "Wrangel" . "Sidney Wrangel CLARKE" .