Sources of Constitutional Law : Constitutions and Fundamental Legislative Provisions from the United States, France, Germany, the Netherlands and the United Kingdom, Including the ECHR and the EU Charter of Fundamental Rights

Sascha Hardt studied Dutch, European and Comparative Law at Maastricht University, where he earned his LL.M degree in 2008 and subsequently joined the Faculty of Law as a junior researcher and fellow of the Montesquieu Institute Maastricht. In 2013, he defended his PhD Thesis on Parliamentary Immunity and remained with Maastricht University as assistant professor of comparative constitutional law. 

Aalt Willem Heringa (1955) graduated from the Rijksuniversiteit Leiden in 1978, where he worked until 1987 as an assistant professor. He was a visiting researcher at the Centre of European Governmental Studies of the University of Edinburgh (1986) and at the European Research Center of the Harvard Law School (1996). In 1989 he completed his Ph.D. thesis 'Sociale Grondrechten' (Social Rights). He has been working at Maastricht University, the Faculty of Law, since 1987; he was appointed full professor of (comparative) constitutional and administrative law in 1995. He is author and editor of numerous books and articles on Dutch Constitutional law, the European Convention on Human Rights, the European Social Charter, comparative constitutional law, US constitutional law, Human Rights and legal education. He served for many years as a Member of the Netherlands Commission on Equal Treatment. He is one of the founding editors of the NJCM Bulletin; of EHRC (European Human Rights Cases); of JB and JB+; of the Maastricht Journal of European and comparative law (MJ); and of EVRM Rechtspraak & Commentaar . He served on the supervisory board of Hiil (the Hague Institute for the Internationalisation of the Law) and on the Supervisory Board of LVO. He is since 2010 a member/vice chair of the supervisory board of Orbis Medical Center, major care and cure organisation in the south of Limburg province. Since 2012 he also serves on the Conseil d’Administration of Paris University Dauphine. Since 2012 he is director of the Montesquieu Institute Maastricht and he is Head of the Public Law Department. In 2013 he worked as European Co-Dean of the China EU School of Law in Beijing.