Introductory remarks
Ferdinand de Saussure
Saussure's views on sound structure
The Kazan school : Baudouin de Courtenay and Kruszewski
Prague school phonology from the Moscow Circle through Trubetzkoy's Grundzüge
Roman Jakobson and the theory of distinctive features
The 'glossematic' theory of Louis Hjelmslev
J.R. Firth and the London school of prosodic analysis
Franz Boas and the beginnings of American linguistics
Edward Sapir
Leonard Bloomfield
American structuralist phonology
Generative phonology and its origins
Generative phonology after The sound pattern of English.