The Sound Pattern of English
The Sound Pattern of English (frequently referred to as SPE) is a 1968 work on phonology (a branch of linguistics) by Noam Chomsky and Morris Halle. In spite of its title, it presents not only a view of the phonology of English, but also contains discussions of a large variety of phonological phenomena of many other languages. The index lists about 100 such languages. It has been very influential in both the field of phonology and in the analysis of the English language. Chomsky and Halle present a view of phonology as a linguistic subsystem, separate from other components of the grammar, that transforms an underlying phonemic sequence according to rules and produces as its output the phonetic form that is uttered by a speaker. The theory fits with the rest of Chomsky's early theories of language in the sense that it is transformational; as such it serves as a landmark in Chomsky's theories by adding a clearly articulated theory of phonology to his previous work which focused on syntax. (Wikipedia).
