From Hua Yan Jing.
The extension materials are available in three Chinese versions:
1. Buddhabhadra's translation in the Eastern Jin Dynasty, named "Hua Yan Jing of Dafang Guangfo", consists of 60 volumes, also called "Hua Yan Old Translation" or "Hua Yan Sixty Articles", to distinguish it from the later Tang translation.
Secondly, Siksananda's translation in the Tang, Wu and Zhou Dynasties is entitled "Hua Yan Jing of Generous and Wide Buddha", with 80 volumes, also known as "New Translation Hua Yan" or "Eighty Hua Yan".
Third, Tang Zhenyuan translated the Prajna Sutra, also known as the Huayan Sutra of Dafang Guangfo, with 40 volumes. Its full name is The Huayan Sutra of Dafang Guangfo entered an incredible realm of liberation in Pu Xian, which is referred to as Pu Xian Xingyi Pin for short, or 40 Huayan.