Chuxueji (Records for Early Learning), an encyclopedic reference book in 30 volumes compiled by Xu Jian and others during the Tang Dynasty; it is considered one of the Four Great Leishu of the Tang along with the 艺文类聚yìwénlèijù, 北堂书钞běitángshūchāo, and 白氏六帖báishìliùtiè.