1.About Tohoku University Digital Archives
Tohoku University Digital Archives (ToUDA) provides comprehensive access to academic and cultural resources owned by the university (classical books, historical documents, etc.). We also aim to contribute to disign and progress integrated knowledge and to make it widely useful in society.
Our university specializes in a variety of fields and holds unique materials. These materials were made public by each department that owns them, and this system makes it possible to search for them on one platform. The contents of the digital archive will be added sequentially.
2.About Search
2.1 About Searching
Batch search for the contents of all participating departments is available in the Tohoku University Digital Archives.
- Free word search: Entering keywords in the search box labeled " Enter keyword" enables searching across all data fields of each content.
- Advanced search: Specifying criteria for the search, such as title, author name, year, etc., is possible.
2.2 Entering keywords
- AND Search: When conducting a search with multiple keywords, please enter the keywords separated by spaces. The results will display materials that contain all of the entered keywords.
- OR Search: OR search is not supported.
- Case Sensitivity: There is no distinction between uppercase and lowercase letters.
- Single-byte/two-byte characters: There is no distinction between single-byte and two-byte characters.
- Kanji Dictionary: This portal uses "Kanji Unification Index" from National Institute of Informatics (with the cooperation of Mr. Yasunori Wakayama from the former Reitaku University), which supports searching for variant characters.
2.3 “Search by Object Type” and “Search by Subject”
- Search by Object Type: Each content can be searched by object type, such as the origin and form of the materials (Asian classics, ancient documents, etc.).
- Search by Subject: Each content can be searched by classification based on the National Diet Library Classification System (Japan, Religion, etc.).
2.4 Facets (Narrow down searching)
The search results can be narrowed down using various items such as "Image Presence," "Copyright Notice," and "Year." Checking the square box at the head of each facet item narrows down the search results. Unchecking it releases the filter.
3. About Search Results
- Search results are initially displayed in order of "relevance" (how well they match the search criteria), but can be sorted by "Title (Ascending/Descending)" or "Year (Ascending/Descending)."
- The display method of the search results may be switched between “List Format” and “Thumbnail Format” (grid format).
- The metadata of search results may be exported in "CSV," "JSON," or "refer/BibIX" format.
4. About Image Downloads
- For documents that allow batch downloading of the entire content, a "Batch download" button is displayed below the viewer.
- If the "Batch download" button is not displayed for documents where bulk downloading is desired, please inquire via the "Contact Us" menu on the homepage.
5. Thematic Exhibitions and Collections
- Thematic Exhibitions: Materials from all participating departments will be selected and introduced according to the theme.
- Collections: Material introductions by the collection are available on the pages of each participating department. Searches within the collections are possible on each participating department's page.
6. Operating Environment
The following browsers are supported: Google Chrome, Mozilla Firefox, Microsoft Edge, Safari.
7. Site Policy
The following is the English translation:
This site is managed and operated by Tohoku University Library.
Please be aware of and agree to the following matters before using the site.
7.1 Regarding Links
Linking to this website is generally not required, as long as it is not for profit. However, links to websites meeting the following criteria will be declined:
- Websites that violate public order and morals
- Websites containing potentially illegal content
- Websites that obscure the clear identification of this site, such as incorporating it within a proprietary frame
- Other links that may affect the credibility of Tohoku University
Additionally, we will not be responsible for any troubles or issues arising from linking to this site.
7.2 Disclaimer
While this site is managed and operated with utmost care, it does not provide a complete guarantee of the reliability of the posted content or the safety of the site. We do not assume any responsibility for troubles or any other damages that may arise from the use of this site, so please be aware of this in advance.
Furthermore, please note that we may make changes, modifications, or deletions to the posted content without prior notice.
7.3 About Plugins
For the proper use of this website, the latest version of Adobe Acrobat Reader may be required. Please install the latest version as needed.
7.4 About JavaScript
If JavaScript functionality is disabled in your browser, some content may not be displayed correctly or may not function properly. It is recommended to enable JavaScript in your browser settings.
7.5 About the Use of Google Analytics
This website utilizes Google Analytics to understand site visitation. Google Analytics collects information using cookies, but does not include personally identifiable information. The collection and usage of access information abide by Google's terms of service and privacy policy.
7.6 About Cookies
A cookie is a mechanism where websites temporarily write and store data on a user's computer or mobile device. Users have the option to refuse the reception of cookies or delete cookies once received by manipulating their browser settings.
The method of configuration varies depending on the browser, so please refer to the "Help" menu of your browser for instructions on settings.
8. Contact Information
For inquiries or questions regarding this website, please contact us through the "Contact" menu on the homepage.