1. Aloni, M. (2001). Quantification under conceptual covers. Ph.D. thesis, University of Amsterdam.
2. Aloni, M. (2008). Concealed questions under cover. Grazer Philosophische Studien, 77, 191–216. Special issue on Knowledge and Questions edited by Franck Lihoreau.
3. Baker, C. (1968). Indirect questions in English. Ph.D. thesis, University of Illinois.
4. Fox, D. (1999). Focus, parallelism and accommodation. In Proceedings of Semantics and Linguistic Theory IX.
5. Frana, I. (2006). The de re analysis of concealed questions. In C. Tancredi, M. Kanazawa, I. Imani, & K. Kusumoto (Eds.), Proceedings of Semantics and Linguistic Theory XVI.