These resources are freely available on the Internet to all researchers. (Disclaimer: These links are provided as a convenience; the IIRP is not responsible for the accuracy or content of any of these sites. Please contact the external site regarding questions about its content.)
New resources are added frequently; please check back periodically.
General | COVID-19 | Education | Behavioral Sciences, Counseling & Related Areas | Restorative Justice - General | Restorative Justice - Bills & Legislation (U.S.A.) | Restorative Justice - Bills & Legislation (Outside of U.S.A.) | Open Access Scholarship
Interdisciplinary database of scholarly literature from academic publishers, professional societies, online repositories, universities and other knowledge sites worldwide; articles, books and reprints, theses/dissertations, abstracts, conference papers, court opinions, technical reports, etc. | Google Scholar Search Tips (general) | Power Tips & Search Operators
- Compare "regular" Google, Google Scholar & subscription Library databases: What are the differences, and how will they impact my research?
Free non-profit online library of over 20 million downloadable books and texts, 7.5 million audio recordings, 7 million videos and television programs, 3.5 million images and 472,000 software programs. Content comes from digitization initiatives at academic institutions, research libraries and special collections worldwide, plus individual user submissions. In addition, over 380 billion archived web pages spanning over 20 years are discoverable via the Wayback Machine. | About the Internet Archive
- Internet Archive Scholar: Specialized collection of full-text academic materials -- articles, books, pre-publication manuscripts, theses/dissertations, grey literature, ephemera, etc. -- that are invisible to other search engines because they have been taken offline, DOIs no longer resolve, host sites have restructured or disappeared, etc. -- but are still accessible via the Wayback Machine's website preservation technology and partnerships with digitizing institutions. More details here | User Guide
Free search portal for scholarly literature, patents and datasets, with the goal of "linking open knowledge artefacts and metadata with tools to inform effective, efficient, and equitable problem solving." Aggregates over 225 million scientific works using metadata that enables easy identification of connections by key people, institutions, scholarly platforms, etc., by partnering with major academic and content producers and intellectual property repositories. Full text available for almost 2 million documents. About The Lens
Academic search engine that enables both discovery of individual research documents and surveys of entire fields of study through search language semantics and data relationships. Document records feature linked references and citations for easy browsing of related material. Includes filters to help identify key authors, publications, research institutions, etc., plus links to Wikipedia and Bing. | Microsoft Academic Frequently Asked Questions (FAQ)
MIDSS (Measurement Instrument Database for the Social Sciences)
Searchable repository of over 500 freely-available instruments for collecting data across the social sciences. Instruments are self-submitted by authors or their authorized representatives. Authors can upload their own instruments. Hosted at National University of Ireland, Galway. | About MIDSS
Searchable database of library holdings around the world, provided by the Online Computer Library Center. Enter zip or postal code to find materials in llibraries in your area. | OCLC WorldCat help
Oxford Research Encyclopedias
Authoritative, peer-reviewed essays provide summaries of topics in a wide array of academic disciplines, including criminology and criminal justice, education, neuroscience and psychology, politics, social work, and more. While some content is restricted to subscribers of Oxford University Press titles, a great deal is available for free.
COVID-19 (including vaccines)
Official government information
- World Health Organization (WHO)
- U.S. Centers for Disease Control (CDC)
- U.S. National Institutes of Health (NIH)
- Responding to COVID-19 in Pennsylvania (Commonwealth of Pennsylvania)
Research and information portals
- COVID-19 research resources (Penn State College of Medicine)
- EBSCO COVID-19 information portal (Open Access; no login required)
- MedlinePlus health topics: COVID-19 (Coronavirus disease 2019) (U.S. National Library of Medicine)
- Merck Manuals COVID-19 information and resources (Merck & Co.)
ERIC (Educational Resource Information Clearinghouse)
U.S. Department of Education database of journal articles, reports, dissertations and other material on education topics.
- Advanced Search Tips | ERIC Thesaurus | Frequently-Asked Questions (FAQ)
- Videos: Searching eric.ed.gov | About ERIC | How ERIC can help you write a research paper | Finding the right descriptors for your search
Microsoft Educator Center - Anti-racism journey for educators with students
Educators must be courageous and confident in their journey to fully participate in dismantling racism in their learning environments. A collaborative initiative of IIRP, Microsoft, and leading experts, this self-paced, five-course learning path helps adult learners deeply question power, privilege, and fragility to interrupt teaching practices that marginalize, isolate, and exclude BIPOC students in the classroom. The courses were created with United States K-12 educators in mind; others may also find them helpful.
Teacher Reference Center (TRC) (via EBSCOhost)
Free EBSCOhost database provides indexing and abstracts for almost 300 peer-reviewed journals. Includes best practices, curriculum development, literacy standards, pedagogy, instructional media, school administration and more | TRC journal list
Behavioral Sciences, Counseling & Related Areas
APA Dictionary of Psychology
Free online dictionary of behavioral sciences-related terminology.
Free search engine for PsychARTICLES and PsychBOOKS journal papers and book chapters published by the American Psychological Association and partner organizations, indexing a wide array of behavioral sciences. Select the Open Access checkbox to retrieve free material. Paywalled full text is available via Interlibrary Loan (IIRP faculty, staff and current students only) or purchase. Additional databases and content are available for a fee.
Child Welfare Information Gateway
Children's Bureau (U.S. Department of Health and Human Services) database indexes over 80,000 peer-reviewed articles, books, reports and audiovisual materials for professionals in child welfare; topics include child abuse prevention, out-of-home care, and adoption. Some items not freely available online may be purchased.
MedlinePlus / PubMed
Medical research databases from the U.S. National Library of Medicine (NLM) cover both consumer-oriented information and clinical literature on a wide array of subjects; includes public and community health topics, mental health, social/family issues, substance abuse, and demographic-specific research (children/adolescents, seniors, males/females, ethnic and cultural groups, LGBTQ+ people, etc.). MedlinePlus provides plain-English summaries of hundreds of health and drug topics for non-medical professionals, plus links to support organizations and learning tools. PubMed offers access to over 28 million citations from professional medical and life science journals and online books indexed in the MEDLINE database. | Medline and PubMed training from NLM
Restorative Justice - General
Center for Restorative Justice and Peacemaking (University of Minnesota School of Social Work)
CRJP provides a variety of academic and training resources for research and project initiatives. The "Resources" section includes an annotated bibliography of papers on victim mediation, group conferencing and other topics.
European Forum for Restorative Justice
Non-governmental organization that promotes equitable access to restorative justice for every person in Europe. EFRJ hosts conferences, publishes newsletters and research, and sponsors projects with various partner organizations. The "Resources" page contains newsletters, reports, videos, conference material, links to key books, and a searchable database of RJ teaching programs. Country-specific communications materials are available in Czech, Dutch, English, French, German, and Hungarian.
International Juvenile Justice Observatory
Compilation of project news, training resources, regulatory information and research on juvenile justice topics worldwide, including restorative justice. Documentation Center database contains full-text articles and reports, theses/dissertations, multimedia content, statistics, legislation by country and more. Free access, but registration is required. Mirror sites in English and Spanish.
National Association for Community and Restorative Justice (NACRJ)
Collection of public domain documents (reports, handbooks and other free resources). Subscribers can access additional content.
National Criminal Justice Reference Service (NCJRS)
Federal database of articles and abstracts on topics in criminal justice and related disciplines.
RJ Library (Centre for Justice & Reconciliation)
Database of literature on restorative justice; an initiative of Prison Fellowship International.
Theo Gavrielides | Free e-resources
Downloadable ebooks and research papers on restorative justice topics; the Internet Journal of Restorative Justice and additional content are available for purchase.
Restorative Justice - Bills & Legislation (U.S.A.)
Juvenile Justice Bills Tracking Database – National Conference of State Legislatures (NCSL)
U.S. legislation, searchable by state, covering 2008 to present.
Restorative Justice - Bills & Legislation (Outside of U.S.A.)
Canada - Restorative Justice / La justice réparatrice
Includes directory (English | Français) of national, provincial and local RJ programs (choice of graphical map or text search); plus legislation and policy, and additional resources for researchers and practitioners.
Open Access Scholarship
Books, Journals & Digital Repositories
Directory of Open Access Books (DOAB)
Over 11,000 academic, peer-reviewed full-text books and chapters from 260 publishers.
Directory of Open Access Journals (DOAJ)
List of about 10,000 titles offering free access to 3 million high-quality, peer-reviewed articles in social sciences, physical and life sciences, medicine, technology and humanities.
Directory of Open Access Repositories (OpenDOAR)
Curated directory of over 2,600 publicly-available digital collections of full-text content for the support and enhancement of academic and research activities for the global community. Browse and search for repositories by geographic region and country.
HathiTrust Digital Library
Collection of electronic public domain and copyrighted books, journal articles and audiovisual materials digitized by Google, Microsoft and the Internet Archive, University of California system, and other collaborating institutions. Users can create personalized collections of books and documents for later reading. Use the "full view" filter to locate downloadable content.
Open archive for pre-publication prints, working papers and published papers in the social sciences. Authors may submit papers for which they have open sharing rights.
SSRN (Social Science Research Network)
Digital repository of over 830,000 research papers across 30 disciplines, including criminal justice, cognitive science, education, women's and gender studies, and more. Search for specific topics or browse papers by broad subject.
Theses & Dissertations
Networked Digital Library of Theses and Dissertations (NDLTD)
Search engine for almost 5 million electronic theses and dissertations (ETDs) from higher education institutions around the world. Global ETD Search crawls about 50 international, regional and national ETD repositories.
Open Access Theses and Dissertations (OATD)
Over 4.2 million Master's and doctoral papers from 1,100 colleges, universities and research institutions worldwide.
OpenDissertations (via EBSCOhost)
Free open access to historical and contemporary academic dissertations and theses, combining content from the American Dcotoral Dissertations database with metadata from a growing list of graduate degree-granting institutions worldwide. Links to full text works at the universities or institutional repositories are included where available.
Subset of ProQuest Dissertations & Theses' collection that enables free retrieval of academic works authors have opted to publish as Open Access. Includes links to commercial ProQuest Dissertations & Theses and Dissertations Express sites.