Grey literature refers to research that is either unpublished or has been published in non-commercial form. The term includes the following types of information:
The British Library reports, Conferences and Theses can be searched for through the British Library Integrated Catalogue.
Use these p tags if you need multiple paragraphs
Google Scholar provides a quick way to search for scholarly literature across disciplines and sources. You can find articles, theses, books, abstracts and grey literature from academic publishers, professional societies, online repositories, universities and other sources.
Grey Net provides information about grey literature. GreySource Index provides a list of web-based grey literature resources.
OpenDOAR is an authoritative directory of academic open access repositories.
OpenGrey is a multidisciplinary European resource which provides open access to 700,000 bibliographical references of grey literature produced in Europe. It covers science, technology, biomedical science, economics, social science and humanities.
Examples of grey literature include technical or research reports, doctoral dissertations, conference papers and official publications.
Science.gov searches over 55 databases and over 2100 selected websites from 15 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results. Science.gov is governed by the interagency Science.gov Alliance
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.
The UK International Repository searches across 130 UK academic repositories. Document types includes Report, Conference Object, Working paper.
Scopus is a user-friendly database covering some 12,000 journals from all aspects of science, technology and medicine, with some quite sophisticated features.