Databases

Search Books and Journals in NIJL

• Database of Academic Papers in Japanese Literature and Archival Studies
  • The database offers a collection of scholarly papers, written in Japanese, on Japanese literature (from 1888 to the present) or archival studies.
• NIJL OPAC
  • A catalog of books and periodicals (serial publications) since the Meiji era held by the NIJL.

Search Pre-Modern Japanese Books

• Union Catalogue Database of Japanese Texts
  • The database contains bibliographic information and high-resolution images of Japanese manuscripts and prints before Edo period, held by NIJL and many other institutions and owners at home and overseas.

Search Historical Documents

• Archival Holdings on Japanese History
  • Archival Holdings on Japanese History
    Database of overview and catalog of the NIJL historical materials (archives), focused on historical materials from the old collections.
• Database of the Fondo Mario Marega
  • The database contains a catalog of Father Mario Marega’s images and the other historical materials regarding Japanese Christian (KIRISHITAN) from the Vatican Library.

Directory of Research Institutes

• Directory of Overseas Collection of Old and Rare Japanese Books, Other Print Materials and Manuscripts
  • An English (with some Japanese) listing of the contact addresses, viewable collections, and so on for in- stitutions outside Japan that hold Japanese Classics.

National Institute of Japanese Literature Repository

Cooperative Services

• nihuBridge
  • Portal site for sharing and utilizing various research resources published by the National Institutes for the Humanities and collaborative organizations.
• JAPAN SEARCH
  • A national platform for aggregating metadata of digital resources of various fields.
• CiNii Research
  • A database service which can be searched with academic information of articles, Books, Journals & Dissertations.
• Web NDL Authorities
  • A service that allows users to search and download authoritative data produced by NDL.
• JapanKnowledge
  • Online dictionary and encyclopedia search site. Contracts may be required for use.

Open Datasets

• Research Data (NIJL Repository)
• 日本古典典籍データセット （CODH）
• 日本古典籍くずし字データセット（CODH）
• 江戸料理レシピデータセット（CODH）
• 顔貌コレクション（顔コレ）データセット（CODH）
• KMNISTデータセット（CODH）

• The website of the Center for Open Data in the Humanities (CODH), operated by ROIS, has been under maintenance since February 16, 2026, and the reopening date is currently unknown. For details