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Literature review

This guide will help you to plan your literature review and to adopt a systematic approach to searching the literature.

Planning your search - what to include

Grey literature general guidance

“Variously defined as unconventional literature, literature not available via traditional publishing, and publications with little or no general distribution, grey literature represents an immense stash of information that is crucial to various researchers and information professionals.”

Auger, Charles P. Information Sources in Grey Literature. London: Bowker-Saur, 1998.

Searching the grey literature may seem challenging as there are so many sources. You should search the resources that are most relevant to your systematic review.

Chapters 7 & 8 of the title below provide guidance on finding grey literature:

Grey literature sources from library catalogue

 

Some of our databases, depending on the discipline, index grey literature as well as journals.

Check the database scope note.

 

See also the following sources:

 

Google Scholar

Lenus : the Irish Health Repository

Lilacs

OpenAIRE

40 million publications, 1 million research data sets

from 17,000 content providers and 22 funders linked together for an integrated research search.

 

Overton

 

"Overton is the world's largest collection of policy documents, parliamentary transcripts, government guidance and think tank research."

 

PsycEXTRA

Registry of Open Access Repositories (ROAR)

Social Science Research Network

Social Science Research Network (SSRN) is devoted to the rapid worldwide dissemination of social science research and is composed of a number of specialized research networks in each of the social sciences.

Science.gov

Worldcat

 

Conference proceedings

Theses and dissertations

See our Theses and dissertations webpage.

See also the full list of national and international theses databases to which we provide access. 

Further guidance for Systematic Reviews