Text ( visual ) : unmediated Society in medieval Malabar : a study based on Vadakkaṅ Pāṭṭukaḷ / K.S. Mathew. -- Kottayam : Jaffe Books , 1979. -- 110 p. ; 22 cm. -- Includes bibliographical references (p. [105]-108) and index. -- (BA86429096) ; https://ci.nii.ac.jp/ncid/BA86429096 Author Heading(s): Mathew, Kuzhippalli Skaria. -- Classification(s): LCC : DS485.K4 ; DC19 : 954/.8302. -- Subject Heading(s): LCSH : Kerala (India) -- Civilization ; LCSH : Ballads, Malayalam -- History and criticism ; LCSH : Civilization, Medieval, in literature