《北史》卷42 《列传》31第13193页:“兖(州)土旧多劫盗,(李)崇村置一楼,楼悬一鼓。盗发之处,双槌乱击,四面诸村闻鼓,皆守要路。俄顷之间,声布百里,其中险要,悉有伏人,盗窃始发,便禽送诸州。置楼悬鼓,自崇始也。 《说郛》卷10第38页:“北史李崇为兖州牧,多劫盗,崇乃村置一楼,楼置一鼓,以防盗贼。” 按:兖州,旧《辞海》曰,东汉时在今山东省濮县东,晋在今山东省范县东南。 “Northern History” Volume 42 “Biography” 31th page 13193: “Yanzhou (state) old robbery, (Lee) Chongcun to the first floor, the building hanging a drum. Pirates of the hair, double mallet chaos, surrounded on all sides The village heard the drums, all keep the main road. Between Russia and China, the sound cloth Buri, including insurance, there are volt people, theft began, the poultry sent to the state. Volume 10 Page 38: ”Northern history Li Chong Yanzhou animal husbandry, robbery more, Chong Nai village home first floor, building a drum, to prevent thieves. “By: Yanzhou, the old” Cihai "said, when the Eastern Han Dynasty in Shandong Province Pu County East, Jin County, Shandong Province in this southeast of Fan County.