Gu jin tu shu ji cheng is an immense, encyclopedic anthology compiled by Chen Menglei et al. and presented to the throne in 1726. The section on medicine (yi bu ) occupies 520 juan and incorporates all or parts of more than 120 earlier books in a topical arrangement. A major source for TCM, the medical portion has been separately reprinted. This is the movable-type Qing Wuying Palace edition. The book is shown at the right.
