Around Präsident Ruhrkolen-Verkaufsgesellschaft mbH, Geitling Ruhrkohlen-Verkaufsgesellschaft mbH, Mausegatt Ruhrkohlen-Verkaufsgesellschaft mbH and I. Nold KG v High Authority of the European Coal and Steel Community (C-36/59, C-37/59, C-38/59, C-40/59)
10 laws and 10 links: citations, amendments, and UK copies of EU law. Bigger circles are relied on more.