Complex sentence: Waley (1941), 126 His official career was initially successful: he was a member of the Hanlin Academy and Reminder of the Left from 807 until 815.
Split into simpler sentences: Waley (1941), 126 His official career was initially successful. Waley, 127 He was a made a member of the Hanlin Academy, in 807 Waley, 126, and Reminder of the Left from 807 until 815.