The National Diet Library (NDL) (国立国会図書館, Kokuritsu Kokkai Toshokan) is the national library of Japan and among the largest libraries in the world.

日本數位檔案中心（Japan Digital Archives Center）

覆盖范围日本国立材料研究所的最新研究活动，管理政策，在国际合作方面取得的进展，世界著名学者的访问、优秀的研究人员和工作人员，以及其他信息，报告当前的科研进展以及材料科学的重要趋势。

The Japan Science and Technology Agency (JST; Japanese: 科学技術振興機構) is a Japanese government agency which aims to build infrastructure.

Database of Grants-in-Aid for Scientific Research(KAKEN) is a public database which includes information on adopted projects, assessment, and research achievements from the Grants-in-Aid for Scientific Research(KAKENHI) Program.