Digital Libraries

National Digital Library of India (NDLI)

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National Digital Library of India (NDLI) is a virtual repository of learning resources that is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by the Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with the least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold the content of any language and provides interface support for the 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained by the Indian Institute of Technology Kharagpur.

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World Digital Library (WDL)

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Launched in 2009, the World Digital Library (WDL) was a project of the U.S. Library of Congress, with the support of UNESCO, and contributions from libraries, archives, museums, educational institutions, and international organizations around the world. The WDL sought to preserve and share some of the world’s most important cultural objects, increasing access to cultural treasures and significant historical documents to enable discovery, scholarship, and use.

After more than 10 years of operation, WDL is now celebrating its success as a worldwide collection of cross-cultural treasures by transitioning into a sustainable home for perpetual access on the Library of Congress’s main website. This transition is expected to be completed by the end of the calendar year 2021, providing a view of these resources as a coherent collection, while allowing the WDL material to benefit from ongoing enhancements to the (Library of Congress)website.

The Collection

The materials collected by the WDL make it possible to discover, study, and enjoy cultural treasures and significant historical documents including books, manuscripts, maps, newspapers, journals, prints and photographs, sound recordings, and films.

Content in the WDL was selected by partner institutions in accordance with guidelines set by the WDL Content Selection Committee. The content was chosen for its cultural and historical importance, with due regard to recognition of the achievements of all countries and cultures over a wide range of time periods.

Books, manuscripts, maps, and other primary materials on the site are presented in their original languages. More than 100 languages are represented in the WDL collection, including much lesser-known and endangered languages.

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National Science Digital Library (NSDL)

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The National Science Digital Library provides high-quality online educational resources for teaching and learning, with current emphasis on the sciences, technology, engineering, and mathematics (STEM) disciplines—both formal and informal, institutional and individual, in local, state, national, and international educational settings. The NSDL collection contains structured descriptive information (metadata) about web-based educational resources held on other sites by their providers. These providers have contributed this metadata to NSDL for organized search and open access to educational resources via this website and its services.

Most resources in the library adhere to principles of Open Educational Resource (OER) access, although some resources are restricted to provider site membership, or may have a cost associated with them (indicated in the full record of the resource).

UNESCO Digital Library (UDL)

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The UNESCO Digital Library is a key tool for enabling UNESCO’s mission of building peace in the minds of people, in particular by “advancing the mutual knowledge and understanding, and encouraging cooperation among the nations in all branches of intellectual activity, including […] the exchange of publications, objects of artistic and scientific interest and other materials of information” (UNESCO Constitution).

In more concrete terms, it provides access to publications, documents and other materials either produced by UNESCO or pertaining to UNESCO’s fields of competence. These collections are accessible online or physically - at the library or the archives room.

The UNESCO Digital Library is constantly enriched with new publications and documents produced by UNESCO, as well as with acquisitions, resources shared by other institutions and donations. Furthermore, new digital materials are produced daily under a major ongoing project “Digitizing our shared UNESCO history”, which allows to preserve and share thousands of collection items, previously unavailable electronically. They will be integrated in the UNESCO Digital Library in the near future.


The UNESCO Digital Library is the repository of UNESCO’s institutional memory and a source of high-quality information on UNESCO activities (in education, natural sciences, social and human sciences, culture, and communication and information), with more than 350,000 documents dating back to 1945. It includes the collections of the UNESCO Library and several documentation centres in UNESCO’s Field Offices and Institutes, as well as the UNESCO Archives. The essential purpose of the UNESCO Digital Library is to share knowledge and to transmit it to future generations.

Our collections include:

- UNESCO publications

- UNESCO-sponsored publications

- Speeches of the Director-General from 1970 to present

- Documents of UNESCO’s Governing Bodies

- Publications of interest to UNESCO

Do not hesitate to search and to explore our collections, and to Create a free account, which will give you access to specific services, such as creating your preferred list of itemssubscribing to notifications, sharing publications on social media, and more.

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Features of UDL:

UNESCO Thesaurus: The UNESCO Digital Library makes use of the UNESCO Thesaurus of linked search terms, used also by many other organizations and institutions across the world.

UNESCO Multimedia Archives: The UNESCO Multimedia Archives makes available to the public audio-visual material, such as documentaries, fiction, interviews, speeches and promotional material created by the Organization or related to its history and programme activities. The contents of the UNESCO Multimedia Archives will soon be integrated into UNESDOC, in order to provide a single entry point and an integrated search tool for all UNESCO resources.

Access to Memory (AtoM): The UNESCO Archives database Access to Memory (AtoM) is a web application describing the UNESCO archives holdings, and is based on the International Council on Archives (ICA) standards.

UNESCO Mediabank: The UNESCO Mediabank is an online photo library with thousands of photos, audio and video recordings on the Organization’s activities. Like the UNESCO Multimedia Archives, it will be integrated into UNESDOC in the near future.

Online Bookshop: UNESCO also provides books, multimedia products (DVDs, CD-Roms, VHS videos), periodicals, and scientific maps published or co-published by UNESCO for sale in its Online Bookshop.