| Grebe, Karl and Winnifred Grebe | Verb tone patterns in Lamnsok | 1975 | Linguistics | Linguistics |
| Grebe, Karl | Verb clusters of Lamnsok | 1975 | SIL International Publications in Linguistics | Linguistics |
| Grebe, Karl | Vimfèr ve wànyeètó | 2008 | | |
| Grebe, Karl | Metìíty I (Fairy tales, volume I) | 2008 | | |
| Grebe, Karl | Metìítiy II (Fairy tales, volume II) | 2008 | | |
| Grebe, Karl | Vimfèr veé shuu kiy | 2007 | | |
| Grebe, Karl and Winnifred Grebe | Lamnsoʼ | 1980 | | Language Assessment |
| Grebe, Karl | Relational grammar applied to Nsoq | 1976 | Calgary Working Papers in Linguistics | Linguistics |
| Grebe, Karl; Siiyatan, Patrick | How to read and write Lamnsoq | 1974 | | |
| Grebe, Karl | Vimfèr ve nyàm 1, 2 | 1976 | | |
| Grebe, Karl | Binka wùn wiyka 1 | 1982 | | |
| Grebe, Karl | Metìítiy, II | 1989 | | |
| Grebe, Karl; Siiyatan, Patrick; Vensu, Alfred | Binka wùn wiyka 2 | 1983 | | |
| Grebe, Karl; Kánjo, Sylvester Kòŋnsoʼ; Tsǝmkòŋ, Patrick Meliim | Ŋwàʼ yeʼey 1 | 1981 | | |
| Grebe, Karl | Vimfèr ve wànyeètó | 1989 | | |
| Grebe, Karl; Grebe, Winnifred | A phonology of the NSO language | 1976 | | Linguistics |
| Grebe, Karl | The domain of noun tone rules in Lam Nso | 1984 | | Linguistics |
| Grebe, Karl | Wir vee wong simoq si | 1974 | | |
| Grebe, Karl | Kinyo ke aŋkfə wùn à ké yàsí ki | 2008 | | |
| Grebe, Karl | Metìítiy me maʼàn mè | 1989 | | |
| Grebe, Karl | Metìítiy me ma'àn mè | 2007 | | |
| Grebe, Karl | How to read and write Lamnsoꞌ | 2008 | | |
| Grebe, Karl | How to read and write Lam nso' | 1986 | | |
| Grebe, Karl | Binka wùn wiyka 1 (Primer 1 Lamnso') | 2007 | | |
| Grebe, Karl | Ŋwaʼ yeʼey 2 | 1980 | | |
| Grebe, Karl | Metìítiy, I | 1989 | | |
