"A Japanese work （translated as Encyclopedia of Amitabha Buddha） composed by Zensho Keijo in the l3th century. It is composed of seven fascicles and is a collection of references to Amitabha Buddha and his Pure Land （Sukhavati） found in various Buddhist sutras and sastras. More than two hundred texts are mentioned by name. It is of great value for materials dealing with Pure Land Buddhism." （Encyclopedia of Buddhism， V. I: p.425）