TREE(UTokyo Resource Explorer) is simply a service which allows you to search for academic information from one search window. You can search for books, electronic and paper, and materials all at once without worrying about choosing a database.
※It mainly searches within the University of Tokyo OPAC and databases that the university has contracted with (which permission was given from the providers). There are materials such as Japanese newspaper databases which are outside of TREE search, please use individual databases according to the purpose.
※When you want to find specific books and journals, please also use the University of Tokyo OPAC and E-journal & E-book Portal.

This is a gateway to search for e-journals and e-books.

The University of Tokyo OPAC is the system for searching the online union catalog database of books and journals held in the University of Tokyo. (The input of data concerning books acquired before 1986 is underway.)(E-journals and e-books are not included.)

Search for e-books held in the University of Tokyo.

UTokyo Repository is the system to store and provide digital resources created by members of the University of Tokyo community. Its main purpose is to develop digital collections, make them available online, and preserve them for long-term access.

This database includes information on the title, author, and summary of PhD dissertations submitted at UTokyo. Please use UTokyo Repository for PhD dissertations published after 2014.

Search for doctoral dissertations in medicine submitted to the school since 1979.

Search for doctoral dissertations and master's theses submitted to the faculty of engineering (please be aware that the recorded years differ according to each library's specialization).

The UTokyo BiblioPlaza bookshelf is a digital learning platform that allows access to research conducted by the University of Tokyo’s faculty members, and the diverse knowledge base that is being produced and expanded at the university.

You can retrieve across the academic databases in Japan provided by academic societies, researchers, and libraries etc..

An extensive full-text database comprised of subjects such as social science and humanities, natural science, medical science, design, and computer science.

This database allows you to search and view full texts of journals, transactions, magazines, publications by affiliated organizations, SIG Newsletters, conference proceeding series published by Association for Computing Machinery (ACM).

An electronic version of the complete printed text of Acta Sanctorum, from the edition published in sixty-eight volumes by the Societe des Bollandistes in Antwerp and Brussels.

This collection provides bibliographic search and full-texts from more than 2000 journals in the fields of Agriculture, Animal Husbandry, Forestry and Ecology. An integrated database with AGRICOLA and Environmental Science Database. *Formerly: ProQuest Agricola plus text, ProQuest Agricultural Science Collection

Database of research reports published by research agencies under the Ministry of Agriculture, Forestry and Fisheries, and reference books on agricultural products, pictures from satellites, and so on.

This service, operated by volunteers, provides access to the electronic version of Japanese books whose copyrights have expired, including works by novelist Akutagawa Ryunosuke.

Archives Unbound. Evangelism in Japan: Correspondence of the Board of Foreign Missions, 1859-1911 is available on Gale Primary Sources. To filter search databases, select Archives Unbound from the list on the left side of the search window.
This database consists of the records of the foreign missions of the Presbyterian Church in Japan which report social conditions in Japan and efforts to spread the gospel during the nineteenth century.

Archives Unbound. Global Missions and Theology is available on Gale Primary Sources. To filter search databases, select Archives Unbound from the list on the left side of the search window.
This collection documents the broad range of Nineteenth-Century religious missionary activities, practices and thought in the United States by reproducing pivotal personal narratives, organizational records, and biographies of the essential leaders, simple missionaries, and churches.

Archives Unbound. WWI and Revolution in Russia, 1914-1918 is available on Gale Primary Sources. To filter search databases, select Archives Unbound from the list on the left side of the search window.
This collection documents the Russian entrance into World War I and the Revolution in Russia in 1917 and 1918. The documents consist primarily of correspondence between the British Foreign Office, various British missions and consulates in the Russian Empire and the Tsarist government and later the Provisional Government.

Publications by Institute of Developing Economies on the economic, legal, and social conditions of developing countries can be searched. AIDE -Archive of IDE Publications and Asia DB were integrated into ARRIDE.

arXiv.org is a highly-automated electronic archive and distribution server for research articles. Covered areas include physics, mathematics, computer science, nonlinear sciences, quantitative biology and statistics.

The database which can use the publication of ASABE (American Society of Agricultural and Biological Engineers) issue online. A printing magazine is Applied Engineering in Agriculture, Biological Engineering Transactions, Journal of Agricultural Safety, Transactions of the ASABE and Resource Magazine. Standards, Meeting Papers, Conference Proceedings, Textbooks, Lecture Series Full text is available as well as the minutes published since 2001.

This database contains full-text articles from the Asahi Shimbun (since 1945), AERA weekly magazine (since 1988), and Shukan Asahi weekly magazine (since April 2000).
(Simultaneous users:4)

A database indexing research findings related to studies of German language, literature, language education, culture etc. that have been presented or published in Japan.

Bibliography of Asian Studies is an online database produced by Association for Asian Studies. This database includes citations of Asian studies in Western-language from 1971.

This database allows searches according to complex terms, simple terms, author's name, article title, journal title, or year of publication. It shows the trends in fields of studies related to the Middle East.

A comprehensive database indexing a basic bibliography of articles related to Japanese kanbun works or relevant materials that are sourced from both Japan and other countries. (At current, as data collection is still in process there are many documents that have not been indexed.)

A database indexing articles in Geography and related fields of study (geology, agriculture, history, economics, sociology, cultural anthropology, urban studies, rural studies etc.) that have been published in Japan. The bibliography edited and published by the Human Geographical Society of Japan is also included. Searches for paper books, journal articles, articles from book chapters are possible, as this is a comprehensive database covering all literature related to Geography and Humanities studies.
Searches for literature according to subjects of research are also possible.

A bibliographic database indexing sociology literature published in Japan (including books, translated books, journal articles, reviews, research reports, research funding reports, dissertations and others).

A bibliographic database indexing scientific research on cultural heritage. Time periods, subjects of analysis, analysis methods etc. are coded in this database, therefore searches can be performed according to these codes.

BioOne provides integrated, cost-effective access to a thoroughly linked information resource of interrelated journals focused on the biological, ecological and environmental sciences.

Comprehensive reference database for life science research. Accessible through the Web of Science integrated research platform.

BioMed Central is an independent publishing house committed to providing immediate open access to peer-reviewed biomedical research.

BMJ Best Practice provides access to clinical evidence and international guidelines. The contents are written, peer-reviewed by experts, and updated daily. Users can register for a personal account within the institution's network.

(Simultaneous users:2)
[Subscribed Title]
- Washington Manual of Medical Therapeutics 33rd ed.