University of Leeds on Grey Literature

Grey literature is any information that is not produced by commercial publishers.

This resource guide describes the different types of grey literature, suggests a number of search tools and resources you can use to find this sort of information and gives some tips on how to search effectively for this hard-to-find material.

Links and downloads

What is grey literature?

Case studies

Find inspiration for your own evidence search with these real life examples

Guidance

Guidance from a range of organisations for in-depth advice

Services and support

Knowledgeable organisations who may be able to help you

Training resources

Want to learn more? Our training resources are a good place to start