The scientific world-perspective and other essays, 1931-1963 by Ajdukiewicz, Kazimierz

Studies in second language acquisition.

Available for UP System via Cambridge Core.

Understanding second & foreign language learning issues & approaches

Syntactic typology studies in the phenomenology of language

Teaching language as communication by Widdowson, H. G.

Wika tungo sa pambansang pagkakakilanlan

Explorations in the functions of language by Halliday, Michael Alexander Kirkwood

Linguistic style and persuasion. by Sandell, Rolf Gunnar

Classification and index of the world's language by Vogelin, Charles Frederick 1906-

Language, counter-memory, practice selected essays and interviews by Foucault, Michel