Harrison, Paul, Jens-Uwe Hartmann and Kazunobu Matsuda, "Larger Sukhāvatīvyūhasūtra", in Jens Braarvig, ed., Buddhist Manuscripts, Volume II: Manuscripts in the Scho̸yen Collection III (Oslo: Hermes Publishing, 2002), 179-214.
The revised ascription to Buddhabhadra is supported by Harrison, Hartmann and Matsuda, who date the text to 421. Buddhabhadra, 佛陀跋陀羅, 覺賢 T0360; 佛說無量壽經; Sukhavativyuha-sutra