De Silva, S F ලංකාව හා තදාසන්න රාජ්යයෝ = lankaava haa thadaasanna raajyo, 1 Kotasa - Colombo : Sri Lanka Prakashaka Samagama, 1964. - 215p.; 24 cm Subjects--Topical Terms: Sri Lanka HistoryHistory Dewey Class. No.: 954.93 / DES