OAister is a search engine designed to retrieve grey literature or documents posted in the "hidden web". OAIster searches many file types, including statistical datasets, from many repositories, policy sites, and research publications not commercially published.
The Encyclopedia of Associations is a directory which contains information on over 100,000 nonprofit organizations world wide. This title is available on Lexis Advance. To search directly within this title on Lexis Advance, click on the "Browse Sources" link, which is located above the main search box. Type in "Encyclopedia of Associations" into the search box and click OK. Click on the link for the source and then select "Add source to search."
Published by the Heritage Organization, which is a conservative think tank, Policy Experts is a database which indexes foreign and domestic public policy experts and organizations.
Tip: Search by issue to identify organizations working in your area of interest.
Included in this guide is a directory of non governmental organizations and a page which links to sites that index think tanks.
Docuticker is a website that is targeted at researchers who rely on grey literature and directs them to popular and/or significant publications and organizations.
Tip: Browse the DocuBase by date, topic, source or type of source.