Grey Literature is defined as "information produced on all levels of government, academia, business and industry in electronic and print formats not controlled by commercial publishing."
ICGL Luxembourg definition, 1997, expanded in NY, 2004
Grey literature is not widely disseminated - dissemination of published materials is the goals in traditional publishing. Often, infrastructure exists to disseminate this material efficiently.
"Grey Area" or Grey Zone" think of grey zone as an "in-between" metaphor.
Many organizations in the digital era create their own"in-house" reports, studies, etc.
Many health organizations publish locally, nationally and internationally. (The Robert Wood Johnson Foundation, Kaiser Family Foundation, etc)
Many organizations have digital repositories that store archived materials (Rutgers has RUCore)
The American Association of Colleges of Nursing is the national voice for baccalaureate and graduate nursing education. AACN works to establish quality standards for nursing education; assists schools in implementing those standards; influences the nursing profession to improve health care; and promotes public support for professional nursing education, research, and practice.
CDC Stacks is a free, digital archive of scientific research and literature produced by the Centers for Disease Control and Prevention (CDC). This online archive is composed of curated collections tailored for public health research needs. This repository is retained indefinitely and is available for public health professionals, researchers, as well as the general public. CDC Stacks provides access to current CDC research and literature such as the Open Access Collection. In addition, CDC Stacks offers a historical perspective that was previously not available, such as the first 30 volumes of the Morbidity and Mortality Weekly Report.
ClinicalTrials.gov is a registry and results database of federally and privately supported clinical trials conducted in the United States and around the world. ClinicalTrials.gov gives you information about a trial's purpose, who may participate, locations, and phone numbers for more details.
This databases provides easy access to quality assessed systematic reviews and economic evaluations and to health technology assessments conducted around the world.Google Scholar
Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.
GreyNet further seeks to identify and distribute information on and about grey literature in networked environments. Its main activities include the International Conference Series on Grey Literature, the creation and maintenance of web-based resources, a moderated Listserv, a combined Distribution List, The Grey Journal (TGJ), as well as curriculum development in the field of grey literature.
Information about ongoing health services research and public health projects
HSO provides free, online linkages to a comprehensive collection of top-quality courses and references in medicine, public health, pharmacy, dentistry, nursing, basic sciences, and other health sciences disciplines. HSO is a sieve that includes world-class materials (currently numbering >50,000 resources), hand-selected by clinicians and other experts from already- existing reliable sources and resource collections.Kaiser Family Foundation
Kaiser serves as a non-partisan source of facts, information, and analysis for policymakers, the media, the health care community, and the public. The product is information, always provided free of charge -- from the most sophisticated policy research, to basic facts and numbers, to information young people can use to improve their health or elderly people can use to understand their Medicare benefits. They are a major producer of policy analysis and research. They serve as a clearinghouse house by collecting news and information on health policy.
LILACS, from the Latin American and Carribben Center on Health Information, is the most important and comprehensive index of scientific and technical literature of Latin America and the Caribbean. For 27 years contributing to increase visibility, access and quality of health information in the Region. English and Spanish included.
The Latin American Open Archives Portal (LAOAP) is a project to build a scholars’ portal at the Latin American Network Information Center (LANIC) to improve access to social sciences grey literature produced in Latin America. LAOAP will include working documents, preprints, research papers, statistical documents, and other difficult-to-access materials published by research institutions, nongovernmental organizations, and peripheral agencies, and that are not controlled by commercial publishers.
Mednar is a free, publicly available deep web search engine that uses advanced federated search technology to return high quality results by submitting your search query - in real-time - to other well respected search engines. Mednar then collates, ranks and drops duplicates of the results.
A bimonthly publication of The New York Academy of Medicine Library alerting readers to new grey literature publications in health services research and selected public health topics. In addition to this alert service, all resources are added and indexed in our Online Catalog.National Information Center on Health Services Research and Health Care Technology (NICHSR)
Developed to serve the information needs of the health services research (HSR) community, HSR Information Central is a research portal of health services research resources providing numerous Internet links to data, funding announcements, reports, podcasts, discussion groups, and more. HSR Information Central is not an index of all health services resources on the Web. Rather, it contains selective links representing a sample of available information. Items are selected for their quality, authority of authorship, uniqueness, and appropriateness.
Search engine for holdings in the NLM’s extensive collection. Good source to look for reports by governmental organizations and agencies. Generally doesn’t provide full text access to documents, but a good way to see what sort of government reports exists on a topic.
This is a public resource for evidence-based clinical practice guidelines. NGC is sponsored by the Agency for Healthcare Research and Quality (formerly the Agency for Health Care Policy and Research) in partnership with the American Medical Association and the American Association of Health Plans.
Guide to research sponsored by, or of interest to Great Britain’s National Health Service.
The National Technical Information Service serves as the largest central resource for government-funded scientific, technical, engineering, and business related information available today. For more than 60 years NTIS has assured businesses, universities, and the public timely access to approximately 3 million publications covering over 350 subject areas.
The Directory of Open Access Respositories.
OpenDOAR is an authoritative directory of academic open access repositories. Each OpenDOAR repository has been visited by project staff to check the information that is recorded here. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories.
System for Information on Grey Literature in Europe. This is an open access to SIGLE bibliographical references of reports and other grey literature (GL) produced in Europe until 2005. Examples of GL include technical or research reports, doctoral dissertations, some conference papers, some official publications, and other types of grey literature. OpenSIGLE covers pure and applied science and technology, economics, other sciences and humanities.
Good collection of links to Grey Literature resources in Public Health including newspapers, reports and guidelines.
Robert Wood Johnson Foundation (publications & research)
The mission of the Robert Wood Johnson Foundation is to improve the health and health care of all Americans. Their goal is clear: To help our society transform itself for the better.
The Virginia Henderson Global Nursing e-Respository is the realization of Sigma Theta Tau International’s goal to offer nurses, in all roles around the globe, online access to reliable nursing information that can be easily utilized and shared. Through the library’s complimentary Registry of Nursing Research database, individuals have access to search study abstracts and conference abstracts. Primary investigators can be contacted for more information about how to obtain full-text versions of their study. The library is operating within an improved environment making it much easier to retrieve specific research information, and for researchers to post up-to-date research findings. The library features a streamlined submission form that will reduce posting research time and includes contact information to connect with other nurses with similar research interests.
is a global science gateway comprised of national and international scientific databases and portals. WorldWideScience.org accelerates scientific discovery and progress by providing one- stop searching of databases from around the world . WorldWideScience.org provides real-time searching and translation of globally-dispersed multilingual scientific literature.
Catalogs of publications by the World Health Organization and affiliated agencies including technical and policy documents.