1. Groenendijk, J. (2011). Erotetic languages and the inquisitive hierarchy. In A Festschrift for Martin Stokhof. http://dare.uva.nl/document/487828.
2. Ciardelli, I., Groenendijk, J., & Roelofsen, F. (2015). On the semantics and logic of declaratives and interrogatives. Synthese, 192(6), 1689–1728.
3. Groenendijk, J. (2008). Inquisitive semantics and dialogue management. mboxESSLLI course notes. https://projects.illc.uva.nl/inquisitivesemantics.
4. Ciardelli, I. (2008). A generalized inquisitive semantics. Term paper. Amsterdam: University of Amsterdam.
5. Ciardelli, I. (2009). Inquisitive semantics and intermediate logics. M.Sc., Thesis, University of Amsterdam.