His Vaṭakkanpāṭṭukaḷuṭe paniyala, 1982: t.p. (Rāghavavāriyar) p. facing t.p., etc. (M.R. Raghava Varier, Dept. of History, Univ. of Calicut; of Maṇalil Tr̥kkōvil Vāriyaṃ, b. 1936)
His Aṭivērukaḷ, 1988: t.p. (Ḍō. Eṃ. Ār. Rāghavavāriyar) p. facing t.p. (Dr.)
New Delhi manual auth cd. (specializn. in epigraphy; memb., Place Names Soc. of India)
His Abhijñānaṃ, 1991: t.p. (Eṃ. Ār. Rāghavavāriyar) p. opp. t.p. (Dr. M.R. Raghava Warrier)
Madhyakāla Kēraḷaṃ, 1997: t.p. (Eṃ. Ār. Rāghava Vāriyar) p. facing t.p. (M.R. Raghava Variyar) cover (Eṃ. Ār. Rāghavāriyar)