The famous collections of books in the Imperial Palace of Qing dynasty were the Tianlu Linlang Collection and the Wenyuan Ge Collection. The Library of Peking University preserves some portion of "Tianlu Linlang" books and a small amount of "Wenyuan Ge Si Ku Quan Shu", which are valuable for investigating the history of book compilation and collection in the Imperial Palace of Qing dynasty .

Figure 1-2 Tianlu Linlang Collection:  Seventeen Volumes of “Ceremonial Chart”  (Song Dynasty), Written by Yang Fu, the Qinyou Tang Engraving edition of Yu Shi from Jian'an, Yuan Dynasty