Wu Xingqin (清) 吳省欽 Guan yun kao yi 官韻考異 Wu Xingqin (清) 吳省欽 [撰] - 據清吳省蘭輯刊藝海珠塵本影印 - 藝海珠塵 009 . Subjects--Topical Terms: Language -- Phonetics -- Rhymes -- Qing