사고전서
The scholars working on the "Siku Quanshu" wrote a descriptive note for each book which detailed the author's name along with their place and year of birth. Next, after they determined what parts of the author's work would go into the compilation, they would analyze the main points of the author's argument. This short annotation, which reflected their own opinion, would be put in the beginning of the "Siku Quanshu" and formed the Complete Catalogue. The Complete Catalogue was divided into four sections or "kù" (; translated to "warehouse; storehouse; treasury; repository"), in reference to the imperial library divisions. The name, Siku Quanshu, is a reference to these four sections. These four sections are: