The website of the Bundeskartellamt has substantial free resources in English. The ’Publications’ section contains, inter alia, the bi-annual Activity Report and detailed contributions on competition issues, papers of international conferences and of the Working Group on Competition Law, organised for more than 40 years. See for example, "Buyer Power in Competition Law - Status and Perspectives 2007; “The future of abuse control in a more economic approach to competition law” 2006; "Conglomerate Mergers in Merger Control - Review and Prospects"; 2001 “Prohibition Criteria in Merger Control - Dominant Position versus Substantial Lessening of Competition?”...