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Institutional repositories

An institutional repository is an online locus for collecting, preserving, and disseminating, in digital form, the intellectual output of an institution. We maintain a list of resources which allow for cross-searching collections and information on registering.

The Association of Learned and Professional Society Publishers

There is an increasing push for institutions to establish their own digital repositories, to capture both the grey literature (theses, working papers, etc.) and the published articles authored within their institution. There has also, in some disciplines, been a long history of archiving papers for peer attention prior to publication. The Association of Learned and Professional Society Publishers (ALPSP) includes a list of Projects and Websites for some of these initiatives.

Bielefeld Academic Search Engine

The Bielefeld Academic Search Engine (BASE) is the multi-disciplinary search engine to scholarly internet resources at Bielefeld University. It includes more than 25 million records from more than 1.720 repositories worldwide. 3 million records were added in 2010, approx 14.200 records per day.

Directory of Open Access Resources

The Directory of Open Access Resources (OpenDOAR) aims to provide a comprehensive and authoritative list of academic open access repositories for end-users who wish to find particular archives or who wish to break down repositories by locale, content or other measures. Users can search for repositories by the following regions: Africa, Asia, Australasia, Caribbean, Central America, Europe, North America, and South America.

Guide to Electronic Theses and Dissertations

This site is a resource for graduate students who are writing theses or dissertations, for graduate faculty who want to mentor Electronic Theses and Dissertations (ETD) authors, for graduate deans who want to initiate ETD programs, and for IT administrators at universities. The Guide is designed specifically for academic researchers and their mentors, yet anyone interested in research and e-publishing will enjoy this resource. Published by UNESCO, The Guide is an international, "living" document, written by ETD (electronic thesis and dissertation) scholars throughout the world (see About the Authors). The Guide will be updated regularly based on submissions by ETD authors and NDLTD members.

IFLA Library

The IFLA Library pulls together IFLA's digital resources in a convenient single online location for ease of accessibility, search and browsing. It has been launched in summer 2013 with the IFLA World Library and Information Congress papers, and will continue to grow with the addition of existing and new resources.


OAIster is a union catalog of digital resources. Access to these digital resources is provided by "harvesting" their descriptive metadata (records) using OAI-PMH  (the Open Archives Initiative Protocol for Metadata Harvesting). It includes the Institutional Repositories of many universities. Where an Institutional Repository is included in OAIster, it is not listed elsewhere in this directory, so we recommend starting your search with OAIster.

Registry of Open Access Repositories

The aim of the Registry of Open Access Repositories (ROAR) is to promote the development of open access by providing timely information about the growth and status of repositories throughout the world. Open access to research maximises research access and thereby also research impact, making research more productive and eff

Also part of ROAR is the Registry of Open Access Repository Material Archiving Policies (ROARMAP). The site lists over 450 policies. 

Repository66 Map

A map displaying the locations of institutional repositories, which can be filtered by country, platform and date of registration.  Each entry links to the url of the repository.

SPARC Repository Resources

A collection of resources may be helpful for those interested in establishing, accessing, or just learning about online repositories, both institutional and disciplinary. SPARCs membership and mandate encourages a focus on developing institutional repositories, so many resources listed here support this direction. Resources supplied here include guides, presentation materials, and handbooks produced by SPARC and other organizations. These provide definitions and developments in the field, and point those interested to the growing number of repositories. There is also a link to Collected Repositories.

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