Johny, O. K. Wayanad rekhakal / O. K. Johny - 5th ed. - Kozhikode : Grassroots, 2007 - 256 p. : ill. ; 21 cm. Includes index ISBN: 818214552. Subjects--Topical Terms: India--HistoryHistory--India--Kerala Dewey Class. No.: 954.83