市内鉄道の年間乗降客数 [Annual number of passengers on the city rail] (in Japanese). Japan: Kiryū City. 2020. Retrieved 2 August 2020. (in Japanese)
tobu.co.jp
「東武スカイツリーライン」誕生！ あわせて駅ナンバリングを導入し、よりわかりやすくご案内します [Tobu Sky Tree Line created! Station numbering to be introduced at same time] (pdf). Tobu News (in Japanese). Tobu Railway. 9 February 2012. Retrieved 22 October 2013.
