The earliest collection of Zhi Zhang Quan calligraphy works in the world
----Chinese Zhi Zhang Quan calligraphy - the special works collection created by the chirographer Hu Wenfu from Chongqing City
In July 2007, the Southwest Normal University Press published the Chinese Zhi Zhang Quan calligraphy - the special works collection created by the chirographe Hu Wenfu from Chongqing City, with the published book number as ISBN 978-7-5621-3881-5. It sets the world record granted by the World Record Association for being the earliest collection of Zhi Zhang Quan calligraphy works in the world.