Engraved on the back Li Chen in Chinese and English, numbered EA1/4 and dated 2001 (each) ILLUSTRATED Li Chen Sculpture 1992-2002, Asia Art Center, Taipei, 2004, color illustrated, pp. 80-83 Li Chen in 52nd Venice Biennale - Energy of Emptiness, Asia Art Center, Taipei, 2007, color illustrated, pp. 110-115,118 129; black-and-white illustrated, pp. 218-219 (similar version) Li Chen in Beijing - In Search of Spiritual Space, Asia Art Center, Taipei, 2008, color illustrated, pp. 40-49, 50-57 ; black-and-white illustrated, pp. 196-197 (similar version) Li Chen: Mind, Body, Spirit, Singapore Art Museum, Singapore, 2010, color illustrated, pp. 94-103 ; black-and white illustrated, p. 183 (larger version) Great of Spirit – Li Chen Premiere Sculpture Exhibition in Taiwan, Asia Art Center, Taipei, 2011, color illustrated, p. 59 & pp. 78-79 (larger version)