1. Preliminary studies …, no. 11, p. 117, no. 11.
2. Nothofer Bernd , The reconstruction of Proto-Malayo-Javanic,'s-Gravenhage, 1975, 174.
3. Preliminary studies on the lexicography of the Philippine languages (Publications of the Institute of National Language, 1), no. 11, Manila, 1940, p. 5. no. 2; pp. 34–5, no. 131; p. 117, no. 14.
4. Additions to “Proto-Austronesian addenda” … 11;Blust;Working Papers in Linguistics,1973
5. The Proto-Malayo-Polynesian laryngeals, Baltimore, 1953, p. 12 and n. 44.