1996. W.L. Korthals Altes, Changing economy in Indonesia. A selection of statistical source material from the early 19th century up to 1940, XV, Prices (non-rice) 1814-1940. BMGN - Low Countries Historical Review. 111, 3 (Jan. 1996), 406–407. DOI:https://doi.org/10.18352/bmgn-lchr.4311.