Pi. Ke Paramēśvaran Nāyar

Malayāḷanirūpaṇaṃ, ādhunikagha

Malayāḷanirūpaṇaṃ, ādhunikaghaṭṭaṃ

1998

Malayāḷanirūpaṇaṃ, madhyaghaṭṭ

Malayāḷanirūpaṇaṃ, madhyaghaṭṭaṃ

1997

Gāndhijiyuṃ Malayāḷa sāhityavu

Gāndhijiyuṃ Malayāḷa sāhityavuṃ

1993

Pi. Ke. Paramēśvaran Nāyaruṃ j

Pi. Ke. Paramēśvaran Nāyaruṃ jīvacaritr̲asāhityavuṃ

1992

Malaiyāḷa ilakkiya varalāṟu

Malaiyāḷa ilakkiya varalāṟu

1984

History of Malayalam literature

1967