To the compilation of words from the above sources, Honorary Workers like Mesrs. sydney Gordon Roberts,Robert Fischer and S.Radhakrishna Aiyar,and Honorary Referees like Messrs.S.Desika vinayagam Pillai of Nanci-natu and S.R.Muttukumaru Mudaliar of Jaffna added considerably. Mahavidwan R.Raghava Aiyangar was also of occasional help.

Thus, it will be seen that the material for the Tamil Lexicon has been compiled from almost all the available sources.