Jaeger/Haslinger (Editors), Jahrbuch Beihilferecht, NWV Verlag, co-author of the 2008, 2010, 2013, 2014 editions (2015 in prep.)
Smits/Herzog: Law of the European Union, Article 308-309 AEUV (Update in prep.)
„What is the Propriety of Service of Process on Foreign Central Banks?“ New York Law Journal, 23 January 2009 (co-authored with Stephen M. Harnik, Esq.)