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Open Access

DOIs for Grey Literature

Library Services now offer Digital Object Identifiers (DOI) for grey literature.

While Library Services has created and maintained DOIs for datasets for a couple of years now, we are now expanding to offer DOIs for grey literature which includes items such as working papers, protocols, reports and other items which do not have a traditional publication route. DOIs for grey literature will be made accessible through the Research Portal.

Why should you get a DOI?

By assigning DOIs their research outputs, researchers can benefit from easier citation which can be tracked and measured consistently. It also means that the output will remain persistently accessible for the long term and will not fall victim to broken links and Error 404. By assigning a DOI King's is committing to make that research output persistently accessible and to undertake any updates that may be required.

How to get a DOI?

To get a DOI for an output, please add details of the output to Pure and email with the Pure ID. Note that this means that currently this service is only open to those with an active Pure profile.

For details of how to add an output to Pure, please see,

What is a DOI?

DOI stands for Digital Object Identifier which is a unique online reference to an object which contains details of how that object can be accessed.

For more information or to find out if your output is eligible for a DOI, contact us in research support at or

 Final grey lit word cloud

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