Current trends in linguistics : volume I, Soviet and East European linguistics
edited by Thomas A. Sebeok
Mouton, 1970
 Buku Referensi
Current trends in linguistics : volume IV, Ibero-American and Caribbean linguistics
edited by Thomas A. Sebeok
Mouton, 1968
 Buku Referensi
Current trends in linguistics : volume VII, linguistics in Sub-Saharan Africa
edited by Thomas A. Sebeok
Mouton, 1971
 Buku Referensi
Current trends in linstics : volume VIII parts 2, linguistics in Oceania
edited by Thomas A. Sebeok
Mouton, 1971
 Buku Referensi
Current trends in linguistics : volume IX parts 1, linguistics in Western Europe
edited by Thomas A. Sebeok
Mouton, 1972
 Buku Referensi