2011年统计用区划代码和城乡划分代码:行唐县 (in Chinese). National Bureau of Statistics of the People's Republic of China. Archived from the original on February 19, 2013. Retrieved 2013-01-09.
2011年统计用区划代码和城乡划分代码:北河乡 (in Chinese). National Bureau of Statistics of the People's Republic of China. Archived from the original on February 19, 2013. Retrieved 2013-01-09.
stats.gov.cn
2011年统计用区划代码和城乡划分代码:行唐县 (in Chinese). National Bureau of Statistics of the People's Republic of China. Archived from the original on February 19, 2013. Retrieved 2013-01-09.
2011年统计用区划代码和城乡划分代码:北河乡 (in Chinese). National Bureau of Statistics of the People's Republic of China. Archived from the original on February 19, 2013. Retrieved 2013-01-09.