| Borgman, Donald M | Sanuma | 1990 | | Linguistics |
| Derbyshire, Desmond C. and Geoffrey K. Pullum, editors | Handbook of Amazonian Languages, Vol. 2 | 1990 | | Linguistics |
| Payne, Doris L., editor | Amazonian Linguistics: Studies in Lowland South American Languages | 1990 | | Linguistics |
| Lowe, Ivan | Cause and Reason in Nambiquára | 1990 | | Linguistics |
| Payne, David L | Some Widespread Grammatical Forms in South American Languages | 1990 | | Linguistics |
| Dooley, Robert A | The Positioning of Non-pronominal Clitics and Particles in Lowland South American Languages | 1990 | | Linguistics |
| Weir, E. M. Helen | Incorporation in Nadëb | 1990 | | Linguistics |
| Koehn, Sally S. | Gramática Pedagógica Apalaí | 1990 | | Linguistics |
| Derbyshire, Desmond C. and Geoffrey K. Pullum | Introduction [to Handbook of Amazonian Languages, Vol. 2] | 1990 | | Linguistics |
| Jensen, Cheryl J | Cross-Referencing Changes in Some Tupi-Guaraní Languages | 1990 | | Linguistics |
| Derbyshire, Desmond C. and Doris L. Payne | Noun Classification Systems of Amazonian Languages | 1990 | | Linguistics |
| Payne, Doris L | Morphological Characteristics of Lowland South American Languages | 1990 | | Linguistics |
| Wise, Mary Ruth | Valence-Changing Affixes in Maipuran Arawakan Languages | 1990 | | Linguistics |
