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Wolff, J. U. (1996). The position of the Austronesian languages of Taiwan within the Austronesian group. International Symposium on Austronesian studies relating to Taiwan. Taipei: Academia Sinica, Institute of History and Philology.
Wolff, J. U. (1994). The place of plant names in reconstructing Proto-Austronesian. In A. K. Pawley and M. D. Ross (Eds.), Austronesian terminologies: continuity and change, Pacific Linguistics (Series C-127) (pp. 511-540).
Wolff, J. U. Beginning Indonesian through self-instruction; Formal Indonesian; Indonesian conversations; Indonesian readings. Materials for studying Indonesian at the beginning, intermediate, and advanced levels, produced over the past twenty-five years.
Wolff, J. U. & Poedjosoedarmo, S. (1982). Javanese Communicative Codes. Southeast Asia Data Papers, No. 116, Cornell University.
Wolff, J. U. (1972). Cebuano-Visayan Dictionary. 50,000 entries. The Linguistics Society of the Philippines and the Southeast Asia Program, Cornell University.