《资治通鉴·唐纪·唐纪四十四》
白志贞请求让各个曾经担任过节度使、观察使、都团练使的官员，不论在世的或殁世的，都勒令他们的子弟带着奴仆与马匹，自己备办衣物参军，授给他们五品官职。
志贞请诸尝为节度、观察、都团练使者，不问存没，并勒其子弟帅奴马自备资装从军，授以五品官。
Bai Zhizheng requested all officials who had served as patrol envoy, surveillance envoy, and capital garrison envoy, whether they were still alive or deceased, be ordered so that their children and grandchildren would take their slaves and horses, prepare their own clothing and join the army, and be granted fifth rank official positions.