Sources

Rigg, Jonathan. Southeast Asia A Region in Transition: A thematic human geography of the ASEAN region. Routledge, 2013
Southeast Asia: A Region in Transition - Jonathan Rigg - Google Books

Geography 

MacKinnon, K et al. (1998). The Ecology of Kalimantan. London: Oxford University Press.

Nguyen, T.T.T., and S. S. De Silva (2006). "Freshwater Finfish Biodiversity and Conservation: An Asian Perspective", Biodiversity & Conservation 15(11): 3543-3568)

http://worldwildlife.org

History

Minahan, James. Ethnic Groups of South Asia and the Pacific: An Encyclopedia. Santa Barbara, CA: ABC-CLIO, 2012. Print.

Rigg, Jonathan. Southeast Asia: A Region in Transition. London: Unwin Hyman, 1990. Print.

Cultural World/Society
Discover Borneo, Lonely Planet, 2008. 
Cosmos
Bagus Discovery, Kalimantan, http://www.bagus-discovery.com/map/map_dayak_kalimantan02.html accessed 4/2/2014.

Diaspora and Cultural Survival
 Rachel Leff, "Violence in Indonesian Borneo Spurs the Relocation of Ethnic Madurese,"
http://www.culturalsurvival.org/ourpublications/csq/article/violence-indonesian-borneo-spurs-relocation-ethnic-madurese (accessed 4/30/2014)
John Teo, "Time for Dayaks to set their sights beyond politics"
http://www.nst.com.my/opinion/columnist/time-for-dayaks-to-set-their-sights-beyond-politics-1.87451 (accessed 4/30/2014)
Further Readings 
http://www.ieas.unimas.my/dayak.html
http://www.kborneo.com/read.cfm?THE_ID=905
http://jakhongirshaturaev.wordpress.com/2014/01/02/dayak-people/