《新唐书·列传·卷十四》
高祖嘉奖唐俭身受幽禁折辱而不忘朝廷，下诏恢复原职，仍任并州道安抚大使，允许他权宜行事。
帝嘉俭身幽辱而不忘朝廷，诏复旧官，仍为并州道安抚大使，许以便宜。
Gao Zu rewarded Tangjian for not forgetting the imperial court after being imprisoned and humiliated, and ordered to restore his position as the ambassador to appease Bingzhou Dao, granting him the autonomy to act on his discretion.