仙台市地下鉄東西線 来年12月6日開業へ [Sendai Subway Tozai Line to open on 6 December 2015]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co., Ltd. 18 November 2014. Retrieved 19 November 2014.
<仙台東西線>駅サービス ALSOK委託 [Sendai Tozai Line station services to be sub-contracted to Alsok]. Kahoku Shimpo Online News (in Japanese). Japan: Kahoku Shimpo Publishing Co. 2 December 2015. Archived from the original on 7 December 2015. Retrieved 7 December 2015.
kinkisharyo.co.jp
仙台市交通局殿から東西線用新型車両2000系を受注しました [Order from Sendai City Transportation Bureau received for new 2000 series trains for Tozai Line]. News release (in Japanese). Japan: The Kinki Sharyo Co., Ltd. 2 May 2012. Retrieved 16 November 2012.
railf.jp
仙台市営地下鉄東西線の車両デザインが決定 [Train design finalized for Sendai Subway Tozai Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 14 November 2012. Retrieved 16 November 2012.
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kotsu.city.sendai.jp
地下鉄東西線建設事業の再評価における需要予測の事例(その2) [Demand forecast case studies in reevaluation of Tozai Line construction project (Part 2)] (PDF) (in Japanese). Japan: Sendai City Transportation Bureau. August 2012. p. 8. Retrieved 7 December 2015.
web.archive.org
<仙台東西線>駅サービス ALSOK委託 [Sendai Tozai Line station services to be sub-contracted to Alsok]. Kahoku Shimpo Online News (in Japanese). Japan: Kahoku Shimpo Publishing Co. 2 December 2015. Archived from the original on 7 December 2015. Retrieved 7 December 2015.