《新唐书·本纪·卷一·高祖》
初二，皇太子李建成和秦王李世民、尚书右仆射裴寂巡视京城管辖的各县。
硃粲降。壬寅，皇太子及秦王世民、裴寂巡于畿县。
On the second day of the first month, Crown Prince Li Jiancheng, King Li Shimin of Qin, and Minister of the Right Pei Ji inspected counties under the jurisdiction of the capital.