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1. About NDL Online 2. Search 3. Search Results 4. Bibliographic Records 5. Cart 6A. Individual Requests 6B. Institutional Requests 7. Request Status/Request History 8. User Information 9. Login/Online User Registration 10. My List 11. Digitized Contents Transmission 12. Other1 Simple search|2 Advanced search|3 Search operators
Search for library materials on either this page or the Search Result page.

Search for library materials by title, author, publisher, subject, table of contents, other numbers, etc.
Type the keywords you wish to search for in the text box and click the Magnifying Glass icon to display a list of search results.
Unless otherwise indicated, space-delimited keywords are processed as an AND search.
Use multiple search options to make your search more precise.
Click the Advanced Search button on the right side of the search box to toggle the Advanced Search screen on and off.
Fill in the necessary search fields and click the Magnifying Glass icon to display a list of search results.
You can limit search results to a specific type of material or collection by selecting the appropriate checkbox. Some materials or collections have unique search fields.
Click the Select Multiple button to search more than one type of material at a time.
See section 1-4 Overview of library materials for more information on types of materials and collections.

Title |
Search by title of a book or periodical. |
Call No. |
Search by Call No. |
Author/Editor |
Search by name of author, editor, or translator of books and serials. Use the Web NDL Authorities to refer to Authority Files for Authors. |
Publisher |
Search by name of publisher. |
Year |
Search by year of publication. Please enter a valid four digit year. * Since journals and newspapers cannot be searched for by year, please leave these fields blank. |
Subject |
Search by subject heading. Use the Web NDL Authorities refer to the Subject Authority File. |
Classification |
Search by NDC, NDLC, GHQ/SCAP, or other classification number. Use the pull-down menu to select the appropriate classification. Space-delimited keywords are processed as an OR search. Please refer to the following pages to find classification numbers. |
Other No. |
Search by ISBN, ISSN, Article Report No., Dissertation Report No., JPNO National Bibliography No., DOI, NDL Digital Collections Persistent ID, or NDL Bibliographic ID. Use the pull-down menu to select the appropriate type of number. Space-delimited keywords are processed as an OR search. * Please use the pull-down menu before searching by Report No. or Standard No. |
Text Language Code |
Search by language. Click the Text Language Code icon to display and select from a list of available language codes. Space-delimited keywords are processed as an OR search. |
Original Text Lang. Code |
Search by language of the original text. Click the Text Language Code icon to display and select from a list of available language codes. |
Country Code |
Search by country of publication. Click the Country Code icon to display and select from a list of available country codes. |
Accessibility |
Search by accessibility: Available Online, Via the Internet, Only at the NDL, Available only at the NDL and its partner libraries or to official registered users in Japan, Not Available Online. |
Location |
Search by location: Tokyo Main Library, Kansai-kan, International Library of Children's Literature, etc. |
Material format |
Search by material format: Printed Matter, Microform, CD/DVD-ROM, Online/Digital, and Other Format. |
Database |
Search by database: National Diet Library Catalog, The Japanese Periodicals Index, NDL Digital Collections, NDL Digital Collections Online, or E-Books and E-Journals. |
Exclude from search target - Periodicals by issue, etc. - Periodicals by article, etc. |
Select this checkbox to exclude periodical issue, etc. from the search. Select this checkbox to exclude article, etc. from the search. |
Use "OR" between search boxes |
Select this checkbox to process an OR search between multiple search fields. |
Unique search fields per type of material or collection
Some types of materials or collections have unique search fields that are displayed only when you select that particular material or collection.
See section 1-4 Overview of library materials for more information on types of materials or collections.
Searching for exact matches, partial matches or phrases
Use the search operators ", *, or /, as described below.
Exact searches |
Add a slash (/) before and after the keyword. Type /Spider/ to search for records with an item containing the word Spider and only the word Spider. |
Prefix or suffix truncation searches |
Add an asterisk (*) after the keyword. Type creat* to search for records with an item that start with creat, such as create, creator, or creation. In the advanced search fields of Call No. or Other Numbers, you can add an asterisk (*) either before or after the keyword. Type *789 to search for records with an item that includes numbers that end with 789, such as 6789, 12789, or 000789. |
Exact phrase searches |
Add double quotation marks (") before and after the phrase. Type "journal of science" to search -> retrieved records which have "journal of science" |
AND/OR/NOT Search
The operators AND, OR, and NOT (in capital letters) are placed between words.
* The order of execution (precedence) for Boolean operators is from left to right.
AND |
heart AND cardiac -> retrieve all records having both heart and cardiac in them. |
OR |
heart OR cardiac -> retrieve all records having heart or cardiac in them. |
NOT |
heart NOT cardiac -> retrieve all records having heart but not cardiac in them. |