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Open access

Regularly updated list of resources on open access

The colors of open access

Open Access is a term that describes how publishers or authors make content freely available. There are different levels of "open," commonly categorized by color. 

GOLD: Complete open access

GREEN: Can archive pre-print and post-print or publisher's version/PDF

BLUE: Can archive post-print or publisher's version/PDF

YELLOW: Can archive pre-print

WHITE: Archiving not formally supported


Pre-print: A first draft, prior to peer-review 

Post-print: A final draft, with peer-review incorporated but without journal formatting

Self archiving

What is self-archiving?

To self-archive is to deposit a digital document in a public repository. As the author, you are asked to provide basic metadata about the document—author name(s), title, publication date, journal title, etc.—so that it can be properly indexed. The repository will review the metadata and make sure it is formatted properly and upload the document to the web.

Does the archive now own my work? 

No, the copyright holder retains copyright of the work. This may be the author(s) or the publisher, depending on the original publishing contract, or the version that you choose to self-archive. The resources for authors section has more information.

What is the purpose of self-archiving?

Once your work is in a public repository, the full text of the document is now visible, accessible, harvestable, searchable, and usable by anyone with an Internet connection. It also ensures your work will remain publicly accessible and preserved for the long-term.

Creative Commons Licensing

Self-archiving your work (whether it is published articles, unpublished documents, or supplementary data) can be accomplished in several ways. One of the most common methods is to license the work under a Creative Commons license. Many repositories and open access journals use this method, as CC licenses are free, easy to use and understand, and standardized. 

Use the Creative Commons Choose a License feature to find the CC license that works best for you, or browse the license descriptions for more information.