"Jingchuntang Poetry Preface" volume, Yuan Dynasty, Gong Ying's book, paper, vertical 31.2cm, horizontal 151cm, regular script. Collection of the Palace Museum, Beijing  

Seal "Gu Yang Study" and "Gong Shi Zijing".

This volume includes the "Collected Poems of Jingchuntang" written by Gong Ying, Lu Wengui, Yang Zai, Tang Michang and Chen Yiceng of the Yuan Dynasty.