• ACA Europe

This database contains about 29,620 references to national acts concerning Community law from 1959 to the present day.

• Council of Europe 

Official website of the Council of Europe

• Council of Europe Treaty office

Treaties adopted under the auspices of the CoE

• Curia

Court of Justice of the European Union

• Data.Europa

The portal provides access to open data from international, EU, national, regional, local and geodata portals.

• ECLI

Judgements of Member States

• EU Law Live

EU Law Live is an independent information platform. It publishes proprietary content elaborated by EU Law Live staff, as well as original material authored by external contributors.

• Eur-Lex

EUR-Lex is the website for EU law. It is the official and most complete collection of EU legal documents. EUR-Lex is available in all 24 official EU languages and is updated daily.

• European Commission

Official website of the European Commission

• European Court of Human Rights
• Europeana

Older works in full text, complementing Google Books, linked to major European research institutions

• European Parliament
• European Union
• EU treaties office

treaties concluded by the European Union 

• Court of justice of the European Communities
• N-Lex : Implementation Eurlex
• Official Journal of the European Union

• OECD Official Documents
  

Documents of the Organisation for Economic Cooperation and Development in Europe

• OSCE Official Documents

Documents of the Organisation for Security and Cooperation in Europe

• Pre-Lex : Preparatory documents
• Succession law in 27 European countries
• The law for Couples in the 27 EU countries
  
• Venice Commission Codices

Codices of the Venice Commission - also known as the European Commission for Democracy through Law