Pei Xuehai 裴學海 Gu shu xu zi ji shi 古書虛字集釋 Gushu xuzi jishi Pei Xuehai 裴學海 [著] - 1969 臺北 廣文書局 1969 - [17], 918 p. Subjects--Topical Terms: Language -- Grammar -- Classical -- Particles -- Xu zi