This document discusses intellectual property and copyright laws when using online materials. It covers the relevant Spanish laws and regulations, including the Ley de Propietad Intelectual and LOPD. Creative Commons licensing is described as a way to release certain usage rights. Quoting works for educational purposes is allowed under certain conditions, such as attributing the author. Images from Wikimedia Commons and Flickr can be used if their licenses permit it and attribution is provided. Student works may also be protected by copyright law.