(Karpaten, Ukraine)

Romania 2005
Letland en Litouwen 2006 (niederländische Sprache)
Ukraine 2007
Report: 3d Ecumenical Social Week in Lviv – Ukraine 2010
Reisimpressie Oekraïne 2012 (niederländische Sprache)

Jahresberichte (niederländische Sprache), sehe Über Communicantes

Populism in the Nederlands (in OstWest Perspektiven 18 (2017) 3, p. 192-198 und in Więź 671 (2018) p. 44-50)
● Catholic Social Teaching in Eastern Europe. Faith and Action as Types of Self-Secularisation in the Context of the One Europe (lecture, 29 mei 2015): niederlandische, englische u. kroatische Sprache
The economic ideology of EU. Are we heading towards a social market economy? (Vortrag im Rahmen der Konferenz “Between Christianity, Democracy and Market Economy: the 10th Anniversary of Lithuania’s Accession to the European Union” in Troskunai, Litauen, 5. Dezember 2014)
Christ and Christian Faith are Universal, Unbound to Man-Made Frontiers (vorgesehener Vortrag in der ukrainischen katholischen Universität im Rahmen der 7. ökumenischen Sozialwoche in Lemberg am 2. Oktober 2014)
Christian Identity: from Word to Action (Vortrag im Riga Higher Institute of Religious Sciences am 15. März 2014)
“The Russian Orthodox Church’s Basic Teaching on Human Dignity, Freedom and Rights” of June 2008, in Studia Universitatis Babeş-Bolyai, Theologia Catholica, LIV (2009) 4, p. 15-21
Union: Siebenbürgisches Idyll?, in Glaube in der 2. Welt 35 (2007) 5, p. 16-17 (German)
IV (2009) 4, p. 15-21
Tradition and Modernity. Tasks for Contemporary Theology and Theologians, in Studia Universitatis Babeş-Bolyai, Theologia Catholica Latina, LII (2007) 1, p. 57-67
The Baltic Area, in Journal of Eastern Christian Studies 58 (2006) 1-2, p. 85-104
Exchange between East and West, a Necessity of Life?, in Studia Universitatis “Babeş-Bolyai” Theologica Catholic 1, series historia ecclesiastica, Cluj-Napoca 2006, p. 123-126
The Greek Catholic Church in Romania, in Journal of Eastern Christian Studies 58 (2006) 1-2, p. 125-136
● The Principal Victim: Catholic Antisemitism and the Holocaust in Central Europe, in Religion, State & Society, 32 (2004) 1, p. 38-51