ILIESI supports a fully open access policy. The readers are encouraged to freely browse, download and share all the materials available; a scholar can quote them in one of his publications and a teacher can assemble anthologies and distribute them to his students in digital or printed form.

When sharing and reusing the material it is imperative to always refer to the sources following citation conventions for online publications (e.g. the Chicago Manual of Style) that must always include the correct URL.

None of the materials in Laertius Source may be used for commercial purposes in any form or way, i.e. you may not sell, distribute, or publish any of the Presocratics Source content for the purposes of financial gain. If you wish to do so, you will first have to obtain permission from the right holders. For information, contact Presocratics Source directly.

All content published in Laertius Source are released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License Creative Commons License

Derivate works such as translations must be distributed under the same licence.