| Everett, Daniel L | Wariˀ (Amazonian) | 1998 | Blackwell Handbooks in Linguistics | Linguistics |
| Jensen, Cheryl | Comparative Tupí-Guaraní Morphosyntax | 1998 | | Linguistics |
| Aikhenvald, Alexandra Y | Warekena | 1998 | | Linguistics |
| Chapman, Shirley and Meinke Salzer, compilers | Dicionário bilíngue nas línguas paumarí e portuguesa | 1998 | | Linguistics |
| Jensen, Cheryl | The use of coreferential and reflexive markers in Tupí-Guaraní languages | 1998 | Journal of Amazonian Linguistics | Linguistics |
| Senn, Rodolfo and Beatrice Senn | Updated phonemic analysis of the Nadëb language | 1998 | Arquivo Lingüístico | Linguistics |
| Derbyshire, Desmond C. and Geoffrey K. Pullum, editors | Handbook of Amazonian Languages, Vol. 4 | 1998 | | Linguistics |
| Popovich, A. Harold | Gramática Pedagógica Maxakalí | 1998 | | Linguistics |
| Aikhenvald, Alexandra Y. and Diana Green | Palikur and the typology of classifiers | 1998 | Anthropological Linguistics | Linguistics |
| Derbyshire, Desmond C. and Geoffrey K. Pullum | Introduction [to Handbook of Amazonian Languages, Vol. 4] | 1998 | | Linguistics |
| Hawkins, Robert E | Wai Wai | 1998 | | Linguistics |
