Sugathakumari (1968). Pavam Manava Hrudayam (in Malayalam). Poorna Publications. Archived from the original on 24 January 2019. Retrieved 23 January 2019.
Sugathakumari (1969). Irul chirakukal (in Malayalam). Archived from the original on 23 January 2019. Retrieved 23 January 2019.
Sugathakumari (1988). Kurinjipookal (in Malayalam). DC Books. Archived from the original on 23 January 2019. Retrieved 23 January 2019.
Sugathakumari (1968). Pavam Manava Hrudayam (in Malayalam). Poorna Publications. Archived from the original on 24 January 2019. Retrieved 23 January 2019.
Sugathakumari (1969). Irul chirakukal (in Malayalam). Archived from the original on 23 January 2019. Retrieved 23 January 2019.
Sugathakumari (1988). Kurinjipookal (in Malayalam). DC Books. Archived from the original on 23 January 2019. Retrieved 23 January 2019.