Özsoy, Onur, Elna Bauer, Katharina Bleher, Aylin Cil, Tina Ghaemi, Annika Heitzmann,..., & Natalia Gagarina. 2025. Language assessment for multilingual children in Germany - developmental factors, environmental influences, and individual differences. Proceedings of the Annual Meeting of the Cognitive Science Society 47, 1674-1681.

Özsoy, Onur, Vasiliki Rizou, Maria Martynova, Natalia Gagarina, Luka Szucsich & Artemis Alexiadou. 2025. Null subjects in heritage Greek, Russian and Turkish. In Allen, Shanley E. M., Mareike Keller, Artemis Alexiadou & Heike Wiese (eds.). Linguistic dynamics in heritage speakers: Insights from the RUEG group. Current Issues in Bilingualism 4, 179-217. Berlin: Language Science Press.

Rizou, Vasiliki, Onur Özsoy, Maria Martynova, Luka Szucsich, Artemis Alexiadou & Natalia Gagarina. 2025. Dynamics of verbal aspect in heritage Greek, Russian and Turkish. In Allen, Shanley E. M., Mareike Keller, Artemis Alexiadou & Heike Wiese (eds.). Linguistic dynamics in heritage speakers: Insights from the RUEG group. Current Issues in Bilingualism 4, 219-249. Berlin: Language Science Press.

Rizou, Vasiliki, Despina Papadopoulou, Onur Özsoy & Artemis Alexiadou. 2025. Novel Forms for the Expression of Aspect in Heritage Greek across Majority Languages. PLOS One 20(5), Article e0319154, pp. 1-30.

Fridman, Clara & Onur Özsoy. 2024. Sentiments Towards Heritage Languages and Their Speakers. Heritage Language Journal 21(1), pp. 1-33.

Rizou, Vasiliki, Maria Martynova, Onur Özsoy, Luka Szucsich, Artemis Alexiadou & Natalia Gagarina. 2024. Grammatical aspect in heritage and monolingual Greek, Russian and Turkish. Register Aspects of Language in Situation (REALIS) 3(3), pp. 1-43.

Martynova, Maria, Onur Özsoy, Vasiliki Rizou, Luka Szucsich, Natalia Gagarina & Artemis Alexiadou. 2024. Demonstratives in heritage Greek, Russian, and Turkish in Germany and the United States. International Journal of Bilingualism.

Mattiauda, Elisa, Onur Özsoy, Natalia Gagarina & Alexandra Perovic. 2024. Inferential abilities in Down syndrome: Examining verbal and nonverbal contributors to narrative comprehension in adolescents and adults. Proceedings of the Annual Meeting of the Cognitive Science Society 46 (CogSci 2024), 3804-3811.

Lüdeling, Anke, Artemis Alexiadou, Shanley Allen, Oliver Bunk, Natalia Gagarina, Sofia Grigoriadou, Rahel Gajaneh Hartz, Kateryna Iefremenko, ..., Onur Özsoy et al.. 2024. RUEG Corpus (1.0) [Data set]. Zenodo.

Iefremenko, Kateryna, Onur Özsoy & Christoph Schroeder. 2024. Paratactic clause combining in heritage Turkish in Germany and the U.S.. Selected Essays on Turkish Linguistics: The Anadolu Meeting. Proceedings of the 20th International Conference on Turkish Linguistics. Turcologica 127, 303-324.

Onur Özsoy, Büşra Çiçek, Zeynep Özal, Natalia Gagarina & Irina A. Sekerina. 2023. Turkish-German heritage speakers' predictive use of case: webcam-based vs in-lab eye-tracking. Frontiers in psychology 14, pp. 1-17.

Özsoy, Onur & Frederic Blum. 2023. Exploring individual variation in Turkish heritage speakers’ complex linguistic productions: Evidence from discourse markers. In Kutlu, Ethan & Rachel Hayes-Harb (eds.), Applied Psycholinguistics 44(4), 534-564.

Özsoy, Onur, Kateryna Iefremenko & Christoph Schroeder. 2022. Shifting and Expanding Clause Combining Strategies in Heritage Turkish Varieties. In Guardiano, Cristina & Giuseppina Silvestri (eds.), Languages. Special Issue “Syntactic Variation and Change of Heritage Languages" 7(3), Art. 242, pp. 1-23.

Özsoy, Onur. 2022. Interview mit unserem Doktoranden Onur Öszoy.
Bericht über das Forschungsjahr 2020/2021 : ZAS, 152-153.

Oikonomou, Despina, Vicky Rizou, Daniil Bondarenko, Onur Özsoy & Artemis Alexiadou. 2022. Scalar and Counterfactual Approximatives: Investigating Heritage Greek in the USA and Germany. In Rinke, Ester & Gabriel Martínez Vera (eds.), Languages 7(1), Article 11, pp. 1-29.