| Koop, Gordon | Dení Person Affixes | 2008 | | Linguistics |
| Koop, Gordon; Koop, Lois | Dicionário Deni-Português | 2008 | | Linguistics |
| Koop, Gordon and Sherwood G. Lingenfelter | The Dení of western Brazil: a study of sociopolitical organization and community development | 1980 | Publications in Ethnography | Anthropology |
| Koop, Gordon | Participant Introduction and Tracing in Deni Narrative Discourse | 1979 | | Anthropology, Language and Culture Learning |
| Koop, Gordon and Sherwood G. Lingenfelter | Os Deni do Brasil ocidental: Um estudo de organização socio-política e desenvolvimento comunitário | 1983 | Publications in Ethnography | Anthropology |
| Koop, Gordon | Os afixos pessoais em dení | 1988 | Série Lingüística | Linguistics |
| Koop, Gordon | Processes and Roles in Dení Clause Structure | 2008 | | Linguistics |
| Koop, Gordon | Dení verb endings | 2008 | | Linguistics |
