Keith Percival


, 2011a, 'Roman Jakobson and the birth of linguistic structuralism', Sign systems studies 39 (1), 236-260.

, 2011b, 'Roman Jakobson ja lingvistilise strukturalismi sünd. kokkuvõte', Sign systems studies 39 (1), 261-262.

, 1976a, Deep and surface structure concepts in renaissance and mediaeval syntactic theory, in H. Parret (ed.), History of linguistic thought and contemporary linguistics, Berlin, de Gruyter, pp. 238-253.

, 1976b, The notion of usage in Vaugelas and in the Port-Royal grammar, in H. Parret (ed.), History of linguistic thought and contemporary linguistics, Berlin, de Gruyter, pp. 374-382.