A database with the IP laws from all countries which are member of EU:

http://www.wipo.int/wipolex/en/

UNESCO 2003: UNESCO convention on Intangible Heritage https://ich.unesco.org/en/what-is-intangible-heritage-00003

European University Institute: International Art Heritage Law: https://www.eui.eu/Projects/InternationalArtHeritageLaw

UNESCO and copyright:

The ABC of copyright, (2010)

http://www.unesco.org/fileadmin/MULTIMEDIA/HQ/CLT/diversity/pdf/WAPO/ABC_Copyright_en.pdf

Plagiarism:

http://www.jpgmonline.com/wc_pdf/day2/1140_Gitanjali_Cut-copy-paste-8.pdf

Creative Commons

https://creativecommons.org/

https://commons.wikimedia.org/wiki/Main_Page

https://creativecommons.ellak.gr/