A letter (1 page) from Zhang Ding to Wu Zuguang A set of letters from Chen Dayu, Song Wenzhi, Song Yulin, Fu Eishi, and Sun Junliang, etc. to Zhu Kui, with original envelopes and information on Zhu Kui’s letters
Two copies of Liang Sicheng’s manuscripts The Great Hall of the People in Beijing and Tiananmen Square, with a set of contribution sheets, design drawings and related materials of the China Society of Architecture
