《旧五代史·后唐·列传十七》
十七日，王思同和药彦稠、苌从简都到长安，刘遂雍闭关不接纳，于是奔往潼关。
十七日，思同与药彦稠、苌从简俱至长安，刘遂雍闭关不内，乃奔潼关。
On the 17th, Wang SItong, along with Yao Yanchou and Chang Congjian, all arrived at Chang'an, but LiuSuiyong shut the city gates and did not allow them in, so they headed to Tongguan.