| 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 |
| Alford, Margaret Ruth | Alguns métodos e estudos práticos de educação bilíngüe intercultural | 1998 | | Literacy and Education |
| Alford, Margaret Rut | Ensino bilíngüe-bicultural: Filosofia e métodos | 1998 | | Literacy and Education |
| Chapman, Shirley and Meinke Salzer, compilers | Dicionário bilíngue nas línguas paumarí e portuguesa | 1998 | | Linguistics |
| Murphy, Isabel I | Educação indígena kayapó: Orientação para professores não-Kayapó | 1998 | | Literacy and Education |
| 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 |
| Thomson, Ruth | Me Banhõ Piꞌôk 2 | 1998 | | |
| Apurinã, Otacilio | Ãtixiti Sikiko Pirena | 1998 | | |
| Apurinã, Otacilio | Uakõtxi Saokini Pirena | 1998 | | |
| Apurinã, Otacilio | Ereẽkokapiretakariena | 1998 | | |
| Bontkes, Carolyn | Vamos diminuir 1, 2 | 1998 | | |
| Derbyshire, Desmond C. and Geoffrey K. Pullum, editors | Handbook of Amazonian Languages, Vol. 4 | 1998 | | Linguistics |
| Komaedâ, Laurinda; Ataugula, Joaquim | Ârahujidaym modo, tale adakobâdaym modo warâ | 1998 | | |
| Buller, Barbara; Buller, Ernest | E ka hiyara | 1998 | | |
| Ka³yxuh³xa² ĩ³yau¹ũ³jau³su² 1 | 1998 | | |
| Popovich, A. Harold | Gramática Pedagógica Maxakalí | 1998 | | Linguistics |
| Ka³yxuh³xa² ĩ³yau¹ũ³jau³su² 2 | 1998 | | |
| Apurinã, Odivo | Atsanari Xipi Tsapikiã Iamotokini Pirena | 1998 | | |
| Alford, Margaret Ruth | Histórias indígenas: lendas, mitos e contos antigos | 1998 | | |
| Thomson, Ruth | Me Banhõ Piꞌôk 3 | 1998 | | |
| Thomson, Ruth | Me Banhõ Piꞌôk 1 | 1998 | | |
| Bontkes, Carolyn | Manual do Professor para os Livros de Exercícios: Vamos Diminuir | 1998 | | |
| Tremaine, Sheila | Tsipinymyrynahaktsa bo ky | 1998 | | |
| 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 |
