| 2019 | Vida-Mannl, Manuela. The value of English in Cyprus' higher education. Cologne. |
| 2017 | Knopp, Eva. From bilingual to biliterate: Narrative discourse competence in Greek-German and Greek-English bilinguals from Germany and the US. Cologne. |
| 2016 | Springob, Jan. Praktische Anwendung und empirische Analyse von gemeinsamem Lernen im inklusiven Englischunterricht am Gymnasium - eine longitudinale Fallstudie. Cologne. |
| 2016 | Kolb, Nadine. The syntax-semantics interface: definiteness and genericitiy in Child L2 acquisition. Cologne. |
| 2014 | Schöneberger, Christiane. Grammar growth in child L2 German. Investigating DP Development in an Immersion Setting. Cologne, 2015. |
| 2011 | Buschfeld, Sarah. The English language in Cyprus: An empirical investigation of variety status. Cologne, 2011. |
| 2010 | Heimes, Alexander. Psycholinguistic thought meets cultural theory. Die integrativen Zusammenhänge zwischen Fachmethodik und Fremsprachenlernen im bilingualen (Geschichts) Unterricht. Cologne, 2010. |