《旧唐书·本纪·卷十一》
九月一日是朔日，仆固怀恩在汾州拒绝王命，皇上派宰相裴遵庆前往安抚他。
九月壬戌朔，仆固怀恩拒命于汾州，遣宰臣裴遵庆往宣抚之。
On September 1, the first day of the lunar month, Fuguhuaien disobeyed the imperial order in Fen Prefecture, and the Emperor sent Prime Minister Pei Zunqing to appease him.