Joos, Klemens: Lobbying in the new Europe. Successful representation of interests after the Treaty of Lisbon, 244 pages, ISBN 978-3-527-50597-5, Wiley VCH 2011
Geiger, Andreas: EU Lobbying handbook, A guide to modern participation in Brussels, 244 pages, ISBN 3-9811316-0-6, Helios Media GmbH, 2006
GLOSSARY - Alphabetical list of terms associated with the Lobbying industry
The Bulletin, 16 March 2006, p. 14, Lobbying Europe: facts and fiction
The European Lawyer, December 2005/January 2006, p. 9, The lobbyists have landed
Financial Times, 3 October 2005, p. 8, Brussels braces for a U.S. lobbying invasion
Public Affairs News, November 2004, p. 34, Judgement Call
The European Lawyer, December 2004/January 2005, p. 26, Lifting the lid on lobbying
Pier Luigi Petrillo, Democracies under Pressures. Lobbies and Parliaments in a comparative public law, Giuffrè 2011 (www.giuffre.it)
Pietro Semeraro, I delitti di millantato credito e traffico di influenza,ed. Giuffre, Milano,2000.
Pietro Semeraro, Trading in Influence and Lobbying in the Spanish Criminal Code, PDF （頁面存檔備份，存於互聯網檔案館）
Lobbyists.info （頁面存檔備份，存於互聯網檔案館） - The largest, comprehensive database of 22,000 registered lobbyists. Contains searchable profiles of lobbyists and government relations professionals, their clients and issues.
Free Speech National Right to Life page containing documents opposing excessive regulation of "lobbying" as infringement on "right to petition" guaranteed by the First Amendment.
The Lobby Ticker （頁面存檔備份，存於互聯網檔案館） - website of independent Austrian MEP Hans-Peter Martin with original lobbyist invitations and voting recommendations he received
