Lectures

1978/79, 2nd semester: Seminar: "Current Liturgy” (Dutch)
Subjects: Liturgy as festival and celebration; liturgy as communication, symbol and ritual; the historical-genetic, literary-historical, semiotic and practical-theological methods in liturgical studies; partici¬pating observation and analysis; comparison of liturgical and ‘profane’ celebrations
Place: Catholic Theological University of Amsterdam

November 1984: Course of four lectures: "The Anointing of the Sick in the Greek Orthodox Church" (Dutch)
Subject: Historical development, current practice and present formulary of the anointing of the sick in the Greek Orthodox Church
Place: Theological Faculty, University of Nijmegen

1987/88, 2nd semester: Course of lectures: "Introduction to Eastern Christianity" (Dutch)
Subjects: History and present situation of Eastern Christianity; ecumenical and inter-religious aspects

1987/88, 2nd semester: Course of lectures: "Eastern Christian Spirituality" (Dutch)
Subjects: Spirituality; monasticism and Hesychasm; secularisation and commu¬nism; fundamentalism and openness for new directions; nationalism and national identity
Place: Theological Faculty, University of Nijmegen

1988/89, 1st semester: Course of lectures: "Introduction to Eastern Christianity" (Dutch)

1988/89, 2nd semester: Course of lectures: "Eastern Christian Art" (Dutch)
Subjects: Reflections on art and theology; iconography and architecture; poetry and hymno-logy; link between religion and art in Eastern and Oriental Orthodoxy
Place: Theological Faculty, University of Nijmegen

1989/90, 1st semester: Course of lectures: "Introduction to Eastern Christianity" (Dutch)

1989/90, 2nd semester: Course of lectures: "Eastern Christian Spirituality" (Dutch)
Place: Theological Faculty, University of Nijmegen

1990/91, 1st semester: Course of lectures: "Introduction to Eastern Christianity" (Dutch)

1990/91, 2nd semester: Course of lectures: "Religion in Eastern Europe" (Dutch)
Subjects: Historical aspects and new situation of Orthodoxy, Catholicism, Protestantism, Judaism and Islam after the fall of the Communist regimes; tension between traditionalism and fundamentalism, on the one hand, and openness for new developments, ecumenism and inter-religious dialogue, on the other.
Place: Theological Faculty, University of Nijmegen

1991/92, 1st semester: Course of lectures: "Introduction to Byzantine Christianity" (Dutch)
Subjects: History and present situation of the Greek, Romanian and Slavic Orthodox denominations; ecumenical and inter-religious aspects
Place: Institute of Eastern Christian Studies, University of Nijmegen

1994/95, 1st semester: Course of lectures: "Introduction to Byzantine Christianity" (Dutch)

1994/95, 2nd semester: Course of lectures: "Byzantine Chant and Liturgy" (Dutch)
Subjects: Chanting and hymnology in the Greek and Slavic traditions; service books; sacraments and other rituals; tension between liturgical renewal and traditionalism
Place: Institute of Eastern Christian Studies, University of Nijmegen

1995/96, 1st semester: Course of lectures: "Introduction to Byzantine Christianity" (Dutch)

1995/96, 2nd semester: Course of lectures: "Byzantine Spirituality" (Dutch)
Place: Institute of Eastern Christian Studies, University of Nijmegen

1996/97, 1st semester: Course of lectures: "Introduction to Byzantine Christianity" (Dutch)
Place: Institute of Eastern Christian Studies, University of Nijmegen

Course of lectures: "Einführung in das östliche Christentum" (German)
Place: Catholic Theological Faculty, University of Münster

Seminar: "Unierte Kirchen in Osteuropa und in Nahost (Uniatismus): Entstehung-Entwicklung-Probleme-Perspektiven" (German)
Subjects: Origins, historical development, current problems and meaning of the Eastern Christian Uniate churches in Eastern Europe and the Middle East
Place: Catholic Theological Faculty, University of Münster

1996/97, 2nd semester: Course of lectures: "Byzantine Art" (Dutch)
Place: Institute of Eastern Christian Studies, University of Nijmegen

Course of lectures: "Konflikte in der Ökumene zwischen den Kirchen des Ostens und den Kirchen des Westens" (German)

Seminar: "Nationalismus in der östlichen Orthodoxie" (German)
Place: Catholic Theological Faculty, University of Münster

1997/98, 1st semester: Course of lectures: "Einführung in das östliche Christentum und ökumenische Perspektiven" (German)

Seminar: "Konflikte und Versöhnung in der östlichen Orthodoxie" (German)
Subjects: Conflict, violence and reconciliation between different denominations in Eastern Europe and the Middle East (Eastern and Oriental Orthodox, Catholics, Protestants, Muslims and Jews)
Place: Catholic Theological Faculty, University of Münster

Two lectures: "Russian Icons" (Dutch)
Subject: Meaning of Russian iconography and icons
Place: Senior Citizens’ Education, University of Nijmegen

1998/99, 1st semester: Course of lectures: "Introduction to Byzantine Christianity" (Dutch)

Seminar: "Nationalisme in de oosterse orthodoxie" (Dutch)
Place: Institute of Eastern Christian Studies, University of Nijmegen

1998/99, 2nd semester: Course of lectures: "Byzantine Liturgy and Art" (Dutch)
Place: Institute of Eastern Christian Studies, University of Nijmegen

Five lectures: "Eastern Christian Spirituality" (Dutch)
Place: Senior Citizens’ Education, University of Nijmegen

1999/2000, 1st semester: Course of lectures: "Byzantine-Rite Liturgical Poetry (Dutch)
Subjects: Poetry by Romanos Melodos, Akathistos-Hymn, Kondakia, canons, and other liturgical poems

1999/2000, 2nd semester: Course of lectures: "The Byzantine Holy Week and Paschal Liturgy" (Dutch)
Subject: Byzantine-rite services of Holy Week and Easter

2000/2001, 2nd semester: Seminar: "Byzantine Palaeography and Byzantine Liturgical Manus-cripts" (English)

Course of lectures: "Comparison between Eastern Orthodox and Western Theology" (English)
Place: International Graduate School of Theology, University of Nijmegen

2001/2002, 1st semester: Course of lectures: "Orthodox Ecclesiology, Ecumenism and Uniatism" (English)

2001/2002, 2nd semester: Seminar "Byzantine Palaeography and Byzantine liturgical texts" (English)

Course of lectures: "Eastern and Western Approaches to Theology" (English)
Place: International Graduate School of Theology, University of Nijmegen

2002/2003, 1st semester: Course of lectures: "Liturgie in der aktuellen glaubenspraktischen Reflexion" (German)
Subject: pastoral-liturgical themes, such as liturgical reform, vernacular language, worship and youth, liturgy and ecumenism

Course of lectures: "Feier und Theologie der Eucharistie I" (German)
Subject: Ritual and theological aspects of the Eucharist
Place: Catholic Theological Faculty, University of Graz

2002/2003, 2nd semester: Course of lectures: "Feier und Theologie der Eucharistie II"

Course of lectures: "Theologie der Sakramente und Sakramentalien I und II" Subject: Ritual and theological aspects of the sacramental celebrations

2003/2004, 1st semester: Course of lectures: "Einführung in die Liturgiewissenschaft"
Subjects: Historical development of Christian worship; methodology
Course: "Byzantinische liturgische Paläographie

2003/2004, 2nd semester: Course of lectures: "Liturgie in aktueller glaubenspraktischer Reflexion"

Course of lectures: "Theologie der Sakramente und Sakramentalien I und II"
Course: "Lesung und Erarbeitung byzantinischer liturgischer Texte"

2004/2005, 1st semester: Course of lectures: "Feier und Theologie der Eucharistie I"

Course of lectures: "Einführung in die Liturgiewissenschaft"

2004/2005, 2nd semester: Course of lectures: "Feier und Theologie der Eucharistie II"
Seminar: "Kranken- und Totenriten"

2005/2006, 1st semester: Course of lectures: "Einführung in die Liturgiewissenschaft"
Course of lectures: "Theologie der Sakramente und Sakramentalien I"

2005/2006, 2nd semester: Course of lectures: "Liturgie in aktueller glaubenspraktischer Reflexion"
Course of lectures: "Theologie der Sakramente und Sakramentalien II"

2006/2007, 1st semester: Course of lectures: "Einführung in die Liturgiewissenschaft"
Course of lectures: "Feier und Theologie der Eucharistie I"

2006/2007, 2nd semester: Course of lectures: "Feier und Theologie der Eucharistie II"
Seminar: "Ehesakrament und Beziehungsvielfalt"
Subject: Sacrament of matrimony and the ritual pluriformity of other relationships

2007/2008, 1st semester: Course of lectures: "Liturgie in aktueller glaubenspraktischer Reflexion"
Course of lectures: "Theologie der Sakramente und Sakramentalien I"
Course of lectures: "Theologie der Sakramente und Sakramentalien II"

2008/2009, 1st semester: Course of lectures: "Einführung in die Liturgiewissenschaft"
Course of lectures: "Liturgie und Sakramente im Kontext spätmoderner Gesellschaften"

2008/2009, 2nd semester: Course of lectures: "Ritual, Symbol und Sakrament II"
Course of lectures: "Gott bezeugen – Im Handeln der Kirche"
Seminar: "Die Feier der Eucharistie in Ost und West"
Latin Course: "Zwei unterschiedliche Modelle der Eucharistie: Missale Romanum von 1570 und 1970"

In addition, guest lectures at other universities, viz. Amsterdam, Utrecht, Groningen, Ghent, Erfurt, Vienna, Prague, Belgrade, Spišska Kapitula (Catholic University of Ružomberok), Thessalonica, Sibiu, and Veliko Tarnovo, as well as many public lectures for a wider audience (separate lists available).