사고전서
By 1782, the special guide to the "Siku Quanshu" was completed Siku Quanshu Zongmu Tiyao, which contains accurate information of bibliography of the 3,593 titles in the "Siku Quanshu" itself. Additionally, it also contains bibliography information of 6,793 other books that are not available in the "Siku Quanshu". The Siku Quanshu Zongmu Tiyao would not be published until 1793 and when released, the Siku Quanshu Zongmu Tiyao became the largest Chinese book catalog of the time.