Malayalam self-taught, by the natural method, with phonetic pronunciation. Thimm's system.
Zilva Wickremasinghe, Martino de.
Nārāyaṇa Mēnōn,Tōṭṭakāṭṭ'.
London, 
1927.
Joint authors: Martino de Zilva Wickremasinghe and Nārāyaṇa Mēnōn, Tōṭṭakāṭṭ'.