Klein, W.: The unity of a vernacular: Some remarks on "Berliner Stadtsprache". In: The sociolinguistics of urban vernaculars: Case studies and their evaluation, pp. 147 - 153 (Eds. Dittmar, N.; Schlobinski, P.). de Gruyter, Berlin (1988)

Klein, W.: Varietätengrammatik. In: Sociolinguistics: An international handbook of the science of language and society: Vol. 2, pp. 997 - 1060 (Eds. Ammon, U.; Dittmar, N.; Mattheier, K. J.). de Gruyter, Berlin (1988)

Levelt, W. J. M.: Psycholinguistics: An overview. In: International encyclopedia of linguistics: Vol. 3, pp. 290 - 294 (Ed. Bright, W.). Oxford University press, Oxford (1988)

Levinson, S. C.: Conceptual problems in the study of regional and cultural style. In: The sociolinguistics of urban vernaculars: Case studies and their evaluation, pp. 161 - 190 (Eds. Dittmar, N.; Schlobinski, P.). De Gruyter, Berlin (1988)

Norman, D. A.; Levelt, W. J. M.: Life at the center. In: The making of cognitive science: essays in honor of George A. Miller, pp. 100 - 109 (Ed. Hirst, W.). Cambridge University Press (1988)

Weissenborn, J.: Von der demonstratio ad oculos zur Deixis am Phantasma. Die Entwicklung der lokalen Referenz bei Kindern. In: Karl Bühler's Theory of Language. Proceedings of the Conference held at Kirchberg, August 26, 1984 and Essen, November 21–24, 1984, pp. 257 - 276. Benjamins, Amsterdam (1988)

Blomert, L.; Hagoort, P.: Neurobiologische en neuropsychologische aspecten van dyslexie. In: Dyslexie 87, pp. 35 - 44 (Eds. Hamers, J.H.M.; Van der Leij, A.). Swets and Zeitlinger, Lisse (1987)

Bowerman, M.: Commentary: Mechanisms of language acquisition. In: Mechanisms of language acquisition, pp. 443 - 466 (Ed. MacWhinney, B.). Lawrence Erlbaum, Hillsdale, N.J. (1987)

Friederici, A.D.; Levelt, W. J. M.: Sprache. In: Funkkolleg Psychobiologie, pp. 58 - 87 (Eds. Immelmann, K.; Scherer, K.; Vogel, C.). Beltz, Weinheim (1987)

Klein, W.: L'espressione della temporalita in una varieta elementare di L2. In: L'apprendimento spontaneo di una seconda lingua, pp. 131 - 146 (Ed. Ramat, A.G.). Molino, Bologna (1987)

Levelt, W. J. M.: Hochleistung in Millisekunden - Sprechen und Sprache verstehen. In: Jahrbuch der Max-Planck-Gesellschaft, pp. 61 - 77. Vandenhoeck & Ruprecht, Göttingen (1987)

Levelt, W. J. M.; d'Arcais, F.: Snelheid en uniciteit bij lexicale toegang. In: De psychologie voorbij: Ontwikkelingen rond model, metriek en methode in de gedragswetenschappen, pp. 55 - 68 (Eds. Crombag, H.F.M.; Van der Kamp, L.J.T.; Vlek, C.A.J.). Swets & Zeitlinger, Lisse (1987)

Bowerman, M.: First steps in acquiring conditionals. In: On conditionals, pp. 285 - 308 (Eds. Traugott, E. C.; Meulen , A. G.B. t.; Reilly, J. S.; Ferguson, C. A.). Cambridge University Press (1986)

Clark, E. V.; Bowerman, M.: On the acquisition of final voiced stops. In: The Fergusonian impact: in honor of Charles A. Ferguson on the occasion of his 65th birthday. Volume 1: From phonology to society, Vol. 1, pp. 51 - 68 (Ed. Fishman, J. A.). Mouton de Gruyter, Berlin (1986)

Klein, W.: Intonation und Satzmodalität in einfachen Fällen: Einige Beobachtungen. In: Miteinander sprechen und handeln: Festschrift für Hellmut Geissner, pp. 161 - 177 (Ed. Slembek, E.). Scriptor, Königstein Ts. (1986)

Klein, W.; Perdue, C.: Comment résourdre une tache verbale complexe avec peu de moyens linguistiques? In: Acquisition d'une langue étrangère, Vol. 1, pp. 306 - 330 (Eds. Giacomi, A.; Véronique, D.). Service des Publications de l'Universite de Provence, Aix-en-Provence (1986)

Levelt, W. J. M.: Zur sprachlichen Abbildung des Raumes: Deiktische und intrinsische Perspektive. In: Perspektiven auf Sprache. Interdisziplinäre Beiträge zum Gedenken an Hans Hörmann, pp. 187 - 211 (Ed. Bosshardt, H.G.). De Gruyter, Berlin (1986)

Levelt, W. J. M.: Herdenking van Joseph Maria Franciscus Jaspars (16 maart 1934 - 31 juli 1985). In: Jaarboek 1986 Koninklijke Nederlandse Akademie van Wetenschappen, pp. 187 - 189. North Holland, Amsterdam (1986)

Weissenborn, J.: Learning how to become an interlocutor. The verbal negotiation of common frames of reference and actions in dyads of 7–14 year old children. In: Children's worlds and children's language, pp. 377 - 404 (Eds. Cook-Gumperz, J.; Corsaro, W. A.; Streeck, .). Mouton de Gruyter, Berlin (1986)

Bowerman, M.: Beyond communicative adequacy: From piecemeal knowledge to an integrated system in the child's acquisition of language. In: Children's language, Vol. 5, pp. 369 - 398 (Ed. Nelson, K.E.). Lawrence Erlbaum, Hillsdale, N.J. (1985)