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Writing: Literature Reviews for Culminating Project

Grey Literature: What Is It?

"Grey Literature is a field in library and Information science that deals with the production, distribution, and access to multiple document types produced on all levels of government, academics, business, and organization in electronic and print formats not controlled by commercial publishing i.e. where publishing is not the primary activity of the producing body." -- GreyNet International ( 

Specifically, grey literature includes things like government publications; reports from universities or corporations; professional organizations, associations, and societies; or nonprofit agencies that aren't published in the usual places, like databases or indexes.  Grey literature can be found in print or electronic form.


The following can be considered grey literature:

Technical reports Pre-Prints Fact Sheets
Standards Patents Working papers
Committee reports Business documents Newsletters
Government documents Technical documentation Conference proceedings
White papers Symposia Bulletins
Unpublished works    

For more information about grey literature, try the IL Toolkit - Finding Information  by the University of Arizona.

Grey Literature Gateways

The following can be useful in locating grey literature in the medical, public health, and psychology fields:

Thanks to the University Library at California State University, Long Beach and the University of Illinois.  Their LibGuides on grey literature contributed many resources to this one!