Correct

类书

/ lèishū /
Strokes

Definition

reference book consisting of material quoted from many sources, arranged by category (about 600 of which were compiled between the 3rd and 18th centuries in China)

Example

As a Noun

class of works combining the characteristics of encyclopaedias and concordances and methodically arranged according to subjects ［such as The Taiping Imperial Encyclopaedia (《太平御览》)］