Leerssen, J. T. (1991). Thomas Kinsella. In Post-war literatures in English (pp. 1-14). Wolters-Noordhoff.
Leerssen, J. T., & Corbey, R. (1991). Studying alterity : backgrounds and perspectives. In J. T. Leerssen, & R. Corbey (Eds.), Alterity, identity, image, selves and others in society and scholarship (pp. VI-XVIII). Rodopi.
Pols, L. C. W. (1991). Quality assessment of text-to-speech synthesis-by-rule. In S. Furui, & M. M. Sondhi (Eds.), Advances in speech signal processing (pp. 387-416). (Electrical engineering and electronics). Marcel Dekker.
Klein, E., & Veltman, F. J. M. M. (1991). Natural language and speech : symposium proceedings, Brussels, November 26/27, 1991. (ESPRIT basic research series). Springer-Verlag.
Koopmans, J. (1991). Op de planken. In R. E. V. Stuip (Ed.), Franse teksten uit de Middeleeuwen (pp. 181-202). Coutinho.
Haverkate, W. H., Hengeveld, K., Mulder, G., & Olbertz, H. G. (1991). Exploraciones semánticas y pragmáticas del español. (Foro hispánico; No. 2). Rodopi.
van Son, R. J. J. H., & Pols, L. C. W. (1991). The influence of formant track shape on the perception of synthetic vowels. In Proceedings Eurospeech '91, Genova. Vol. 3 (pp. 1117-1120)
van Bezooijen, R., & Pols, L. C. W. (1991). Performance of text-to-speech conversion for Dutch: a comparative evaluation of allophone and diphone based synthesis at the level of the segment, the word, and the paragraph. In Proceedings Eurospeech '91, Genova. Vol. 2 (pp. 871-874)
van Alphen, P., & Pols, L. C. W. (1991). Comparing various feature vectors in automatic speech recognition. In Proceedings Eurospeech '91, Genova. Vol. 2 (pp. 533-536)
Mathijsen-Verkooijen, M. T. C. (1991). Het dilemma van de brievenediteur. Gezelliana, Kroniek van de Gezellestudie, 2, 10-15.