三元延壽書

Yuán-period longevity / yǎngshēng anthology by Lǐ Péngfēi 李鵬飛 (closely related to Sānyuán yánshòu cānzàn shū KR5c0248); one of the principal sources of Zhōu Chén’s Hòushēng xùnzuǎn.