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London Metropolitan University

Support for PGR Students

What is grey literature?

Two students looking through a huge magnifying glassGrey literature is the term used to describe material which has not been published by a commercial publisher, but which may still be of interest and use to researchers. It includes content like government reports, industry reports, White papers, theses, posters and presentations from conferences, patents, unpublished clinical trial data, business reports, market reports, working papers, preprints, and much more.

This type of material will generally not be found within the academic databases, so it is important to know where to look for it. We have listed some suggested sources below. As with anything that you locate freely available on the internet, do make sure that you evaluate the content for reliability and accuracy.

Places to find grey literature

Government and parliamentary documents

  • UK Parliament: the offical website of the UK Parliament contains a huge amount of material, including Hansard, reports and publications from committees, current and draft Bills, business papers and publications from both Houses, and research publications. 
  • legislation.gov.uk: search for or browse Acts of Parliament and other legislation within the UK.
  • GOV.UK: search for documents, publications, reports and other information produced by UK Government Departments. 
  • Europa: the official website of the European Union, containing EU policy, law, statistics and publications.
  • Congress.gov: the offical website of the US Congress, containing Bills, reports and other documentation from the US Federal Legislature. 

Patents

  • Ipsum - Online Patent Information and Document Inspection Service: a service from the Intellectual Property Office for searching for and accessing information on UK patent applications.
  • Patent publication service: covers all UK applications published and granted after 3 January 2007 and all UK corrected documents published after 1 April 2010, provided by the Intellectual Property Office. 
  • Espacenet: worldwide coverage of published patents and patent applications from 1782 to the current time. 

Policy documents

  • Policy Commons: discover and access over one million documents from IGOs, NGOs, research centres and thinktanks. *FREE TRIAL ONLY*

Theses and dissertations

  • The London Met Repository: doctoral theses completed at London Met are digitised and uploaded to our Repository. 
  • EThOS: the British Library e-thesis online service. It offers free access to the full text of digitised UK Doctoral theses. * EThOS is currently suspended due to the British Library cyber attack in October 2023. Work is underway to restore an interim platform in late 2025.
  • DART-Europe E-theses Portal: a partnership of research libraries and library consortia who are working together to improve global access to European research theses.
  • Open Access Theses and Dissertations (OATD): OATD aims to be the best possible resource for finding open access graduate theses and dissertations published around the world.
  • The Networked Digital Library of Theses and Dissertations (NDLTD) : For international theses and dissertations.
  • Thesis Commons: A crowdfunded Open Access platform for students across the world to share their undergraduate and postgraduate dissertations.