Liu Wenan's official documents are collected in the Shanghai Library. Shanghai Library is one of the most important public collection institutions of inscriptions at home and abroad, and its collection of rare copies of Liu Wenan official documents in epigraphy rubbings.

Shanghai Library has nine volumes of An's Collection of Official Documents in the early Qing Dynasty and an addendum, which is annotated by Wang Xiao. These collections show the precious literature value and edition value of Liu Wenan's official documents, which is of great significance to the study of Liu Wenan and his works.