K. W. Devanayagam (English Wikipedia)

Perera, Supun (23 January 2003). "K. W. Devanayagam - the gentle politician". Daily News (Sri Lanka). Archived from the original on 13 May 2007.
"Result of Parliamentary General Election 1947" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 24 September 2015.
"Result of Parliamentary General Election 1965" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 13 July 2015.
"Result of Parliamentary General Election 1970" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 9 December 2009.
"Result of Parliamentary General Election 1977" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 17 July 2011.
Rajasingham, K. T. "Chapter 25: War or peace?". Sri Lanka: The Untold Story. Archived from the original on 16 April 2002.{{cite book}}: CS1 maint: unfit URL (link)
Rajasingham, K. T. "Chapter 27: Horsewhip Amirthalingham". Sri Lanka: The Untold Story. Archived from the original on 22 June 2002.{{cite book}}: CS1 maint: unfit URL (link)