. . "1900" . "Yu Long Xia" . "Haia" . . "夏禹龍" . "禹龙" . "禹龙 夏" . "yü-lung Hsia" . . "夏禹龍" . "夏禹龍" . "Hsia" . "Xia" . . "Yulong"@en . "Yulong Xia"@en . . "(社科) 夏禹龙" . "yu long Xia" . "夏禹龙, (社科)" . "yu Xia yu long" . "(she ke) Yulong Xia" . "yu" . "Yü-lung" . "夏禹龙" . "夏禹龙" . "Xia yu long" . "Yulong" . "夏" . . "Xia"@en . "Yu-long Xia" . . "Xia, Yulong, (she ke)" . "Yü-lung Hsia" . "yu" . . "long" . "禹龙 夏" . "夏禹龙" . "Yu Long" . "Yü-lung Haia" . . "Yu-long" . "Xia Yulong" . "Xia, Yulong"@nl-NL . "yü-lung" . "Yü-lung Haia" .