. "Clues"@en . "Clues"@en . "Carl Happel"@en . "W.M.Clayton"@en . "5(3)(1928.2)"@en . "en" . . "N.Y"@en . "\u00E6\u009C\u00882\u00E5\u009B\u009E\u00E5\u0088\u008A"@ja . .