1. Word base classes in Bilaan;Abrams;Lingua,1961
2. Bilaan morphology;Abrams;Papers in Philippine Linguistics No. 3. Pacific Linguistics, Series A No. 24,1970
3. Partial loss of contrast between a and e in Western Bukidnon Manobo;Elkins;Lingua,1963
4. A pedagogical grammar of Tboli;Forsberg;Studies in Philippine Linguistics,1992