Sinhala Jana Sammatha Kawya
Parakumba Siritha
Jana Sahithaya Sampradaya
Me Miyuru Guththilaya Wichara Weemansa
Greeka Darshanaya Haedinveemak
Sanna Sahitha Nillihini Sandesha Kawya
Chandolankara
Siyabaslakara
Shasthriya Lekana Sangrahaya
Tisara Sandesa (The Message of The Swan)
Gira Sandeshaya
A Grammar of The Sinhalese Language
Sinhala Wiyakarana
Parewi Sandeshaya
Kundawadaya Nawakathawa Wimasuma
Usas Pela Sahithya Wicharaya
Kalidasa
Sigiri Ladunge Ruwa Guna
Chiranthana Sinhala Sahithyaye Parivarthana Vidi
Kokila Sandesa(Message of The Cuckoo)
Sahithya Grantha Wicharaya
Sinhala Sahithya Wichara Sangrahaya
Usas Pela Ketikatha Vicharaya(2018 Sita Idiriyata Niyamitha )