会社概要 [Summary of company] (in Japanese). ADHOC Co., Ltd. Retrieved August 9, 2014.
asahi.com
西武ＨＤ後藤社長「沿線の皆さん、株を買ってください」 [Seibu Holdings manager Gotō: "those who live near Seibu Lines, please by shares"] (in Japanese). Asahi Shimbun. September 19, 2014. Retrieved September 19, 2014.
西武ＨＬＤ連日高値、観光事業では北陸新幹線も材料に上値見込む [Seibu Holdings' shares rising every day. In the tourism industry, the Hokuriku Shinkansen is anticipated to be a key ingredient in a price rise.] (in Japanese). Asahi Shimbun. January 21, 2015. Retrieved January 22, 2015.
西武ＨＤの後藤社長「東京五輪にらみ東京プリンス改装も」訪日客取り込み強化 [Seibu Holdings' Gotō Takashi (director) "Eyeing the Tokyo Olympics. Remodelling Prince Hotels too". Intensifying drives to encourage people to visit Japan] (in Japanese). MSN Sankei News. September 18, 2014. Archived from the original on September 19, 2014. Retrieved September 19, 2014.
nikkei.com
西武ＨＤ、純利益163億円に下方修正 訴訟関連損失52億円計上 [Seibu Holdings net profit adjusted downwards. Lawsuit sees a reduction in profit of ¥5.2 billion] (in Japanese). Nihon Keizai Shimbun. April 2, 2014. Retrieved August 7, 2014.
西武ＨＤ常務執行役員「サーベラスの経営関与ない」 [Seibu Holdings Managing Director "No management involvement from Cerberus"] (in Japanese). Nihon Keizai Shimbun. July 23, 2014. Retrieved August 7, 2014.
西武ＨＤ株、上場前の想定価格上回る 買いどこまで [Seibu Holdings exceeds its pre-relisting evaluation] (in Japanese). Nihon Keizai Shimbun. June 4, 2014. Retrieved January 22, 2015.
ohmitetudo.co.jp
企業情報 [Summary of enterprise] (in Japanese). Ohmi Railways. Retrieved August 9, 2014.
princehotels.co.jp
ホテル一覧 [List of Hotels] (in Japanese). Prince Hotels. Retrieved August 7, 2014.
会社概要 [Summary of Company] (in Japanese). Prince Hotels. Retrieved August 7, 2014.
西武ＨＤの時価総額、初の私鉄首位に 東急を抜く [Seibu Holdings' market capitalization is highest in private rail industry for the first time. Overtakes Tokyu.] (in Japanese). Sankei News. January 19, 2015. Retrieved January 22, 2015.
seaparadise.co.jp
会社概要 [Summary of Company] (in Japanese). Hakkeijima. Retrieved August 30, 2014.
seibu-green.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Ryokuka Kanri. Retrieved August 13, 2014.
seibu-group.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Railways. Archived from the original on January 25, 2016. Retrieved January 22, 2015.
会社概要 [Summary of Company] (in Japanese). Seibu Kenzai. Retrieved August 18, 2014.
会社概要 [Summary of Company] (in Japanese). Seibu Construction. Retrieved August 18, 2014.
会社案内 [Company Information] (in Japanese). Seibu Travel. Retrieved August 30, 2014.
会社概要 [Summary of Company] (in Japanese). Seibu Hire. Archived from the original on August 13, 2014. Retrieved August 12, 2014.
seibu-la.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Landscape. Retrieved August 10, 2014.
seibubus.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Bus. Retrieved August 9, 2014.
西武高原バス株式会社 [Seibu Kōgen Bus Co., Ltd.] (in Japanese). Seibu Kōgen Bus. Retrieved August 12, 2014.
seibuholdings.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Holdings. Retrieved August 7, 2014.
役員紹介 [Staff Introduction] (in Japanese). Seibu Holdings. Retrieved August 30, 2014.
企業一覧 [List of Enterprises] (in Japanese). Seibu Holdings. Retrieved August 9, 2014.
seibukankoubus.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Kankō Bus. Retrieved August 11, 2014.
seibulions.jp
球団情報 [Information regarding baseball club] (in Japanese). Seibu Lions. Retrieved August 9, 2014.
seibupros.jp
会社概要 [Summary of Company] (in Japanese). Seibu Properties. Retrieved August 12, 2014.
seibusccat.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu SCCAT. Retrieved August 11, 2014.
seibusogokikaku.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Sōgōkikaku. Retrieved August 11, 2014.
seibutravel.co.jp
会社概要 [Summary of Company] (in Japanese). Seibu Travel. Retrieved August 9, 2014.
会社概要 [Summary of Company] (in Japanese). Seibu Railways. Archived from the original on January 25, 2016. Retrieved January 22, 2015.
西武ＨＤの後藤社長「東京五輪にらみ東京プリンス改装も」訪日客取り込み強化 [Seibu Holdings' Gotō Takashi (director) "Eyeing the Tokyo Olympics. Remodelling Prince Hotels too". Intensifying drives to encourage people to visit Japan] (in Japanese). MSN Sankei News. September 18, 2014. Archived from the original on September 19, 2014. Retrieved September 19, 2014.
会社概要 [Summary of Company] (in Japanese). Seibu Hire. Archived from the original on August 13, 2014. Retrieved August 12, 2014.
yokohamaryokuchi.co.jp
会社概要 [Summary of Company] (in Japanese). Yokohama Yokuch. Retrieved January 22, 2015.
