1940年6月24日,日本飞机疯狂轰炸北碚、空投的燃烧弹使历尽艰险,辗转南运到那里的清华大学图书馆馆藏古籍顿时淹没在火海中,保管人麻木不仁,待大火烧至第三日晓才通知学校,校方立即组织人民连夜灭火,仅于灰烬中抢得残卷2000余册,而10007册珍本已尽付一炬,其中便有当时馆藏的全部宋元版书。馆藏古籍蒙受巨大损失,堪称清华大学图书馆古籍收藏的一段痛史,这段痛史书来,至今仍让人扼腕吧息,唏嘘不已! On June 24, 1940, Japanese aircraft bombed Beibei crazyly. The bomb dropped by air dropped the hardcover Qinghai University library which was left unattended. The ancient books in the Tsinghua University Library suddenly submerged in the sea of ​​fire. The keepers were insensitive until the fire burned to the third day Xiaocai informed the school, the school immediately organized the people to fight the night, only to grab the stump in the ashes of more than 2,000 volumes, while the 10007 books have done their best, including the collection of all the Song and Yuan Dynasties. The collection of ancient books suffered huge losses, called Tsinghua University Library collection of ancient pain history, this history of pain books, is still frustrating, marvel!