Phil Wilkin runs the Archive of European Integration (AEI), University Library System, University of Pittsburgh, an online repository and archive for research materials on the topic of European integration. The AEI uploads both privately-produced papers and official European Union (EU) documents, which are freely available to all. Because the EU is a treaty- and law-driven organisation, a small percentage of the privately-produced papers and many of the official EU documents on the AEI are relevant to EU law, primarily in the areas of the implementation of EU law in policy and administrative areas and the work of the court system.