:: Digital Devil Saga 2 ::"キャラクター" [Digital Devil Saga 2: Characters] (in Japanese). Digital Devil Saga 2 Japanese website. Archived from the original on November 11, 2007. Retrieved March 23, 2016.
:: Digital Devil Saga ::"コラム" [Digital Devil Saga: Column] (in Japanese). Digital Devil Saga Japanese website. Archived from the original on March 23, 2005. Retrieved August 16, 2015.
:: Digital Devil Saga 2 ::"コラム" [Digital Devil Saga 2: Column] (in Japanese). Digital Devil Saga 2 Japanese website. Archived from the original on December 16, 2005. Retrieved August 16, 2015.
:: Digital Devil Saga 2 ::"キャラクター" [Digital Devil Saga 2: Characters] (in Japanese). Digital Devil Saga 2 Japanese website. Archived from the original on November 11, 2007. Retrieved March 23, 2016.
:: Digital Devil Saga ::"コラム" [Digital Devil Saga: Column] (in Japanese). Digital Devil Saga Japanese website. Archived from the original on March 23, 2005. Retrieved August 16, 2015.
:: Digital Devil Saga 2 ::"コラム" [Digital Devil Saga 2: Column] (in Japanese). Digital Devil Saga 2 Japanese website. Archived from the original on December 16, 2005. Retrieved August 16, 2015.