Adams, Marianne Patalino. 1987a. From Old French to the Theory of Pro-Drop. NLLT 5 : 1-32.

Adams, Marianne Palatino. 1987b. Old French, Null Subjects, and Verb Second Phenomena. Ph. D. dissertation, UCLA.

Aldrich, John and Forrest Nelson. 1984. Linear Probability, Logit, and Probit Models. Quantitative Applications in the Social Sciences. London: Sage Publications.

Altmann, G. et al. 1983. A Law of Change in Language. In Historical Linguistics. Edited by B. Brainard. 104-115. Bochum, West Germany: Studienverlag Dr. N. Brockmeyer.

Bailey, Charles-James. 1973. Variation and Linguistic Theory. Washington: Center for Applied Linguistics.

Bock, J. Kathryn and Anthony Kroch. 1989. The Isolability of Syntactic Processing. In Linguistic Structure in Language Processing. Edited by G. Carlson and M. Tannenhaus. Boston: Kluwer.

Chomsky, Noam. 1957. Syntactic Structures. The Hague: Mouton.

Chomsky, Noam. 1986. Barriers. Cambridge: MIT Press.

Denison, David. 1985. The Origins of Periphrastic Do: Ellegård and Visser Reconsidered. In Papers from the 4th International Conference on English Historical Linguistics. Edited by Roger Eaton et al. Amsterdam: Benjamins. 45-60.

Ellegård, Alvar. 1953. The Auxiliary do: The Establishment and Regulation of Its Use in English. Edited by Frank Behre. Gothenburg Studies in English. Stockholm: Almqvist and Wiksell.

Emonds, Joe. 1978. The Complex V - V' in French. LI 9 (2) : 151-175.

Engblom, W. 1938. On the Origin and Early Development of the Auxiliary Do. Lund: C. W. K. Gleerup.

Fontaine, Carmen. 1985. Application de Methodes Quantitatives en Diachronie: L'Inversion du Sujet en Français. M.A. thesis, Université du Québec à Montréal.

Hirshbühler, Paul and Anne Rochette, eds. 1988. Aspects de la Syntaxe Historique du Français. Association Québécoise de Linguistique.

Hirshbühler, Paul and Marie-Odile Junker. 1988. Remarques sur les Sujets Nul en Subordonnées en Ancien et en Moyen Français. In Aspects de la Syntaxe Historique du Français. Edited by Paul and Anne Rochette Hirshbühler. 63-84. Association Québécoise de Linguistique.

Joshi, A.K. 1985. Processing of Sentences with Intrasentential Code-switching. In Natural Language Parsing: Psychological, Computational, and Theoretical Perspectives. Edited by D. Dowty, L. Karttunen, and A. Zwicky. 190-205. Cambridge: Cambridge University Press.

Kemenade, Ans van. 1989. The Diffusion and Implementation of the Category Modal in Middle English. Paper presented at International Conference on Historical Linguistics IX, Rutgers.

Koopman, Hilda. 1984. The Syntax of Verbs. Dordrecht: Foris.

Kottler, Barnet and Alan M. Markman. 1966. A Concordance to Five Middle English Poems. Pittsburgh: University of Pittsburgh Press.

Kroch, Anthony, Susan Pintzuk, and John Myhill. 1982. Understanding 'do'. In Papers from the 18th Regional Meeting of the Chicago Linguistics Society. Edited by K. Tuite et al. Chicago: Chicago Linguistics Society.

Kroch, Anthony. 1982. Grammatical Theory and the Quantitative Study of Syntactic Change. Paper presented at NWAVE 11. Georgetown University:

Kroch, Anthony, Beatrice Santorini, and Caroline Heycock. 1987. Bare Infinitives and External Arguments. In Proceedings of the 18th Annual Meeting of the North Eastern Linguistics Society. Edited by James Blevins and Juli Carter. Amherst, MA: Department of Linguistics, University of Massachusetts.

Kroch, Anthony. 1989. Function and Grammar in the History of English: Periphrastic 'do'. In Language Change and Variation. Edited by Ralph Fasold. Amsterdam: Benjamins.

Labov, William. 1975a. The Use of the Present to Explain the Past." In Proceedings of the 11th International Congress of Linguists. Edited by L. Heilmann. 825-851. Bologna: Il Molino.

Labov, William. 1975b. What is a Linguistic Fact? Lisse, Netherlands: Peter de Ridder Press.

Labov, William. 1982. Building on Empirical Foundations. In Perspectives on Historical Linguistics. Edited by W. Lehmann and Y. Malkiel. 17-82. Amsterdam: Benjamins.

Lightfoot, David. 1979. Principles of Diachronic Syntax. New York: Cambridge University Press.

Lightfoot, David. 1988. Syntactic Change. In Linguistics: The Cambridge Survey. Volume 1. Edited by Frederick Newmeyer. 303-323. New York: Cambridge University Press.

Lightfoot, David. 1989. The Child's Trigger Experience: Degree-0 Learnability. BBS 12 (2) : 321- 334; commentary 334-375.

Mossé, Fernand. 1952. A Handbook of Middle English. Translated by James A. Walker. Baltimore: The Johns Hopkins Press.

Noble, Shawn. 1985. To have and have got. Paper presented at NWAVE 14. Georgetown University:

Oliveira e Silva, Giselle. 1982. Estudo da Regularidade na Variação dos Possessivos no Português do Rio de Janeiro. Ph. D. dissertation, Universidade Federal do Rio de Janeiro.

Osgood, Charles, and Thomas Sebeok. 1954. Psycholinguistics: A Survey of Theory and Research Problems. J. Abn. and Social Psych. 49 (4, part 2) : 1-203.

Piotrovskaja, A. and R. Piotrovskij. 1974. Matematiceskie Modeli Diachronii i Tekstoobrazovanija. In Statistika Reci i Avtomaticeskij Analiz Teksta. 361-400. Leningrad: Nauka.

Platzack, Christer and Anders Holmberg. 1990. The Role of AGR and Finiteness in Some European VO Languages. University of Lund: unpublished manuscript.

Pollock, Jean-Yves. 1989. Verb Movement, Universal Grammar and the Structure of IP. LI 20 (3) : 365-424.

Priestley. 1955. Reprise Constructions in French. Archivum Linguisticum 7 : 1-28.

Prince, E.F. 1984. Topicalization and Left-Dislocation: a Functional Analysis. In Discourses in Reading and Linguistics. Annals of the New York Academy of Sciences. Edited by S.J. White and V. Teller. vol. 433. 213-25.

Prince, E.F. 1988. Discourse Analysis: a Part of the Study of Linguistic Competence. In Linguistics: the Cambridge Survey. Vol. 2. Linguistic Theory: Extensions and Implications. Edited by F. Newmeyer. 164-82. New York: Cambridge University Press.

Roberts, Ian. 1985. Agreement Parameters and the Development of the English Modal Auxiliaries. NLLT 3 (1) : 21-58.

Rousseau, Pascale and David Sankoff. 1978. Advances in Variable Rule Methodology. In Linguistic Variation: Models and Methods. Edited by David Sankoff. 57-69. New York: Academic Press.

Rydén, M. 1979. An Introduction to the Historical Study of English Syntax. Stockholm: Almqvist & Wiksell.

Sankoff, D. and Poplack, S. 1981. A Formal Grammar for Code-switching. Papers in Linguistics 14 : 3-46.

Santorini, Beatrice. 1989. The Generalization of the Verb-Second Constraint in the History of Yiddish. Ph. D. dissertation, University of Pennsylvania.

Saussure, Ferdinand de. 1966. Course in General Linguistics. New York: McGraw-Hill Book Company.

Spiess, Eliot. 1989. Genes in Populations. New York: John Wiley and Sons.

Steele, Susan et al. 1981. The Encyclopedia of AUX. A Study of Cross-Linguistic Equivalence. Cambridge: MIT Press.

Stein, Dieter. 1986. Syntactic Variation and Change: The Case of do in Questions in Early Modern English. Folia Linguistica Historica VII (1) : 121-149.

Tatlock, John and Arthur Kennedy. 1927. A Concordance to the Complete Works of Geoffrey Chaucer. Washington: The Carnegie Institution.

Tukey, John. 1977. Exploratory Data Analysis. Reading, MA: Addison-Wesley Publishing Company.

Vance, Barbara. 1988. L'évolution de Pro-drop en Français Médiéval. In Aspects de la Syntaxe Historique du Français. Edited by Paul and Anne Rochette Hirshbühler. 85-109. Association Québécoise de Linguistique.

Visser, Frederick Th. 1963-1973. An Historical Syntax of the English Language. Leiden: Brill.

Warner, Anthony. 1982. Complementation in Middle English and the Methodology of Historical Syntax. University Park: The Pennsylvania State University Press.

Warner, Anthony. 1983. Review of D. Lightfoot, Principles of Diachronic Syntax. J.of Ling. 19 : 187-209.

Weinreich, Uriel, W. Labov and M. I. Herzog. 1968. Empirical Foundations for a Theory of Language Change. In Directions for Historical Linguistics: A Symposium. Edited by W. P. Lehmann. 95-195. Austin: University of Texas Press.

Woolford, E. 1983. Bilingual Code Switching and Syntactic Theory. LI 14(3) : 520-36.

Zanuttini, Raffaella. 1989. "The Position of Negative Markers in Romance Languages." Paper presented at the GLOW Colloquium, Utrecht.