2001: 8th Central European Summer School in Generative Linguistics (Niš University, Niš, Yugoslavia, 23 July – 3 August 2001)

2000: 7th Eastern Generative Grammar Summer School (American University, Blagoevgrad, Bulgaria, 31 July – 11 August 2000)

2000: 7th International Summer School in Cognitive Science (New Bulgarian University, Sofia, Bulgaria, 10-30 July 2000)

2000: 15th Vilém Mathesius Lecture Series (Charles University, Prague, Czech Republic, 20-31 March 2000)

1999: 6th Summer School in Generative Linguistics (Plovdiv University, Bulgaria, 2-20 August 1999)

1999: 14th Vilém Mathesius Lecture Series (Charles University, Prague, Czech Republic, 1-12 March 1999)