Nyhus, P.J.; Sumianto; Tilson, R. 2003.Wildlife knowledge among migrants in southern Sumatra, Indonesia: implications for conservation.Environmental Conservation 30 (2): 192-199.
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Bastoni; Franklin, N.; Tilson, R.; Sriyanto, A. 1997.Field report on Sumatran rhinos (Dicerorhinus sumatrensis) in Way Kambas National Park, Indonesia, October 1995 – December 1996.Confidential report.pp. 1-10.
Tilson, R.; Traylor-Holzer, K. 1993.Sumatran rhino population and habitat viability analysis workshop: briefing book.Apple Valley, CBSG.[not paginated].
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Tilson, R. 1991.Minnesota Zoo's "Adopt-A-Park" program aids Javan rhinos.Around the Horn 2 (1): 3-5.