Grey literature is an important part of the evidence base for health services research and health policy but can be difficult to search in a systematic way.
The three information-seeking strategies below can help you identify a range of grey literature.
See the Grey Literature Research Guide for many other resources.
Google offers a great way to track down grey literature resources. Use the advanced search limits below to focus your search.
Limit to a domain:
Find Related Sites:
Limit to filetype:
filetype:pdf (or doc, ppt)
Search for words in a URL:
Search for sites that link to site of interest:
Find quick information about a site:
Below are some top non-governmental organizations and federal agencies working on health services research. Since There is a seemingly endless number of organizations that produce grey literature, searching portals and using Google Advanced searches to identify names can be an effective way to find grey literature when you don't know where to begin.