| Campbell, Robert | Verification in Jamamadi Quotations | 2008 | | Linguistics |
| Campbell, Barbara; Campbell, Robert | Jamamadí Preliminary Phonemic Statement | 2009 | | Linguistics |
| Campbell, Robert | Marcadores de fonte de informação na língua jamamadí | 1977 | Série Lingüística | Linguistics |
| Campbell, Robert | Jamamadí Source of Information Markers | 1973 | | Linguistics |
| Campbell, Robert | Jamamadi Clause Structure | 1966 | | Linguistics |
| Campbell, Barbara; Campbell, Robert | Preliminary Observations Concerning the Rarity of Exact Repetition in Jamamadi | 1977 | | Linguistics |
| Campbell, Robert | Avaliação dentro das citações na língua jamamadí | 1988 | Série Lingüística | Linguistics |
| Campbell, Robert | Topics and Participants in Jamamadí Narrative | 2009 | | Linguistics |
| Campbell, Robert | Jamamadí Sentence Structure | 2008 | | Linguistics |
| Campbell, Barbara; Campbell, Robert | Jamamadi Museu Wordlist | 1963 | | Language Assessment, Linguistics |
