An official document from the Jaffna Katchcheri dated in the late 19th century, which has a reference to Irumarapuntuyya Kumarakulasinghe Mudaliyar and his descent from the last Kings of Jaffna.
It is interesting to note that according to this document that he was the only representative of the last King of Jaffna
An inner page of the Golden Book of India by Sir Roper Lethbridge published in . In which there is a reference to the Kumarakulasinghe family
The cover of the Golden Book of India by Sir Roper Lethbridge published in . In which there is a reference to the Kumarakulasinghe family.
A document issued from Buckingham Palace under the cipher of Queen Elizabeth the 2nd which accompanied the medal which conferred on the late T. C. Rajaratnam the title of “Commander of the British Empire” dated 2nd June 1953
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A reference to the late T. C. Rajaratnam in Deborettes