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] - 1954 上海 新華書店 1954 - [19], 918 p. Subjects--Topical Terms: Language -- Grammar -- Classical -- Particles -- Xu zi