[Greene 2012] Greene, Eric Matthew. “Meditation, Repentance and Visionary Experience in Early Medieval Chinese Buddhism.” PhD dissertation, U. C. Berkeley, 2012.
— 477 n. 2
Dingyuan claims [mistakenly—see separate CBC@ entry based on Fajing] that Yancong’s catalogue (T2147) completed in 602 is the earliest catalogue that contains the title of T2900. In T2147, the title is Zhaifa qingjing jing 齋法清靜經.