Groves, C.; Shekelle, M. (2010). "The genera and species of Tarsiidae". International Journal of Primatology. 31 (6): 1071–1082. doi:10.1007/s10764-010-9443-1. S2CID21220811.
Shekelle, M.; Salim, A. (2009). "An acute conservation threat to two tarsier species in the Sangihe Island chain, North Sulawesi, Indonesia". Oryx. 43 (3): 419–426. doi:10.1017/S0030605309000337 (inactive 1 November 2024).{{cite journal}}: CS1 maint: DOI inactive as of November 2024 (link)
Groves, C.; Shekelle, M. (2010). "The genera and species of Tarsiidae". International Journal of Primatology. 31 (6): 1071–1082. doi:10.1007/s10764-010-9443-1. S2CID21220811.
Shekelle, M. (2008). "Distribution of tarsier acoustic forms, North and Central Sulawesi: With notes on the primary taxonomy of Sulawesi's tarsiers". In Shekelle, M.; Groves, C.; Maryanto, I.; Schulze, H.; Fitch-Snyder, H. (eds.). Primates of the Oriental Night(PDF). Bogor: LIPI Press (Research Center for Biology, Indonesian Institute of Sciences). pp. 35–50.