00 - GENERAL, MULTIDISCIPLINARY
East View Information Services
http://www.eastview.com
GreyNet International, Grey literature Network Service
http://www.greynet.org
Italian Grey Literature Database
http://polarcnr.area.ge.cnr.it/cataloghi/bice/index.php?type=Grigia
National Repository of Grey Literature, NRGL
http://www.nusl.cz/?lang=en
OpenGrey Repository, System for Information on Grey Literature in Europe
http://www.opengrey.eu
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02 - AGRICULTURE, FORESTRY, FISHERIES, VETERINARY SCIENCES
Center for International Forestry Research, CIFOR
http://www.cifor.org
Global Agricultural Research Partnership
http://www.cgiar.org
Joint EWRI-AFS Fish Passage Reference Database
http://scholarworks.umass.edu/fishpassage/
The Rhino Resource Center
http://www.rhinoresourcecenter.com/
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03 - ENVIRONMENTAL POLLUTION, PROTECTION AND CONTROL
Accessing Grey Literature of the Polar Regions
http://www.ipy.org/
Interagency Monitoring of Protected Visual Environments
http://vista.cira.colostate.edu/improve/Publications/GrayLit/gray_literature.htm
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05 - SOCIAL SCIENCES: ECONOMICS, INFORMATION SCIENCE, ETC
Archaeological Investigations Project, AIP
https://archaeologydataservice.ac.uk/archives/view/aip_he_2018/index.cfm
Australian Policy Online,APO
http://www.apo.org.au
Center for the History of Psychology, Special Interest Collection
http://cdm15960.contentdm.oclc.org/cdm/landingpage/collection/p15960coll1
Resource & Documentation Centre, EIGE
http://www.eige.europa.eu/content/rdc
Endangered Languages Archive, ELAR
https://www.soas.ac.uk/elar
Intellobics
https://www.intellobics.com/tag/grey-literature/
Latin American Open Archives Portal, LAOAP
http://lanic.utexas.edu/project/laoap/
Museum of Underwater Archaeology
http://www.themua.org/collections/collections/show/10
Milwaukee-based Public Policy Forum
http://milwaukeetalkie.blogspot.com/2007/12/were-gray-here-at-forum.html
Preserving Access to Digital Information, PADI
http://www.nla.gov.au/padi/topics/372.html
Reports of Decisions for the U.S. Supreme Court
http://www.loc.gov/collections/united-states-reports
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06 - BIOLOGICAL & MEDICAL SCIENCES
Addiction Resources for American Communities
http://www.addictiongroup.org/addiction/
Grey Horizon, A Grey Literature Current Awareness Tool in Cancer Care
http://grey-horizon.blogspot.nl/
Grey Literature for Dentistry
http://guides.library.utoronto.ca/dentistry
Grey Literature in the Health Sciences
http://guides.library.upenn.edu/healthgreylit?hs=a
Grey Literature Report - New York Academy of Medicine
http://www.greylit.org
HealthKnowledge
http://www.healthknowledge.org.uk/public-health-textbook/research-methods/1a-epidemiology/grey-literature
Mesothelioma Center
https://www.asbestos.com/treatment/alternative
Mesothelioma Hub: Asbestos Exposure and Veterans
https://www.mesotheliomahub.com/veterans/
Social Policy and Practice
http://bathhealthnews.blogspot.com/2009/11/new-database-social-policy-practice.html
Health Sciences Library and Informatics Center
http://libguides.health.unm.edu/content.php?pid=200149
VisionCenter, Eye Care and Health
https://www.visioncenter.org/eye-conditions
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08 - EARTH AND ATMOSPHERIC SCIENCES
Centre for Environmental Data Archival, CEDA
http://cedadocs.badc.rl.ac.uk/
Environmental Information: Use and Influence
http://www.eiui.ca
SADC Groundwater Grey Literature Archive
http://www.bgs.ac.uk/sadc/index.cfm
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10 - ENERGY & POWER
Environmental Science Research Guide - Grey Literature
http://libguides.acadiau.ca/content.php?pid=18724&sid=136803
Energy Technology Data Exchange, ETDE
http://www.etde.org/edb/fulltext.html
International Atomic Energy Agency, IAEA
http://www.iaea.org/OurWork/ST/NE/Main/databases.html
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20 - PHYSICS
Information resources in Astronomy
http://libguides.vassar.edu/content.php?pid=227695&sid=1883710NEW ENTRY
