1. René Wellek and Austin Warren,Theory of Literature (1949; rpt. New York: Harcourt, 1956).
2. Barron Brainerd, “An Exploratory Study of Pronouns and Articles as Indices of Genre in English,”Language and Style 5 (1972), pp. 239–59. Other investigations of pronoun-frequency as an indication of genre and formality of speech can be found in two works of Charles Müller, “Les pronoms de dialogue; interprétation stylistique d’une statistique de mots grammaticaux dans français moderne,”Actes du X 0 Congrès de Linguistique et Philologie romane (1962) (Paris, 1965), pp. 605–12, and “Sur quelques scènes de Molière, Essai d’un indice du style familier,”le Français moderne 30 (1962), pp. 99–108. Article studies are referred to in the work cited in footnote 6 below.
3. R.A. Fisher, “The Statistical Utilization of Multiple Measurements,”Annals of Eugenics 8 (1938), 376–86. See also D.F. Morrison,Multivariate Statistical Methods (New York: McGraw-Hill, 1967), pp. 130–33.
4. The general program using canonical objects to set up a classificatory system which can be used to classify other objects is one of the cornerstones of taxonomic biology. See R.R. Sokal and P.H.A. Sneath,Principles of Numerical Taxonomy (San Francisco: Freeman, 1963) for a readable account of taxonomic procedures. For an account of their use in linguistics, see H.T. Carvell and J. Svartvik,Computational Experiments in Grammatical Classification (The Hague: Mouton, 1969).
5. Barron Brainerd, “Article Use as an Indicator of Style among English-Language Authors,” in S. Jäger, ed.,Linguistik und Statistik (Braunschweig: Vieweg, 1972), pp. 11–32.