《旧唐书·本纪·卷十一》
秋七月一日是朔日，以右散骑常侍于休烈为检校工部尚书，并主持尚书省事。
秋七月戊申朔，以右散骑常侍于休烈为检校工部尚书、知省事。
On the first of the seventh lunar month, Yu Xiuli, the Right Member of the Censorate of Consultants, was promoted to Minister of Works and took charge of the Ministry of Works.