(Inggeris) Petrus Josephus Zoetmulder, 1982, Old Javanese-English Dictionary, The Hague: Martinus Nijhoff. 2 v. (xxxi, 2368 p.) In collaboration with S.O. Robson. ISBN 9024761786
(Indonesian) Petrus Josephus Zoetmulder, 1995, Kamus Jawa Kuna-Indonesia In collaboration with S.O Robson. Translators, Darusuprapta, Sumarti Suprayitna. Jakarta: Hasil kerja sama Perwakilan Koninklijk Instituut voor Taal, Land-, en Volkenkunde dengan Penerbit PT Gramedia Pustaka Utama, 1995. 2 v. ; 1. A-0 -- 2. P-Y.
(Inggeris) Teeuw, A. and S.O. Robson.2005 edited and translated Bhomāntaka : the death of Bhoma Leiden: KITLV Press, Series:Bibliotheca Indonesica; 32. ISBN 9067182532
