Biography of Ramavarma Appan Thampuran, Chelanattu Achutha Menon, Puthezhathu Raman Menon, C. P. Achutha Menon, Ambadi Narayana Poduval - Warrier, P A (Kottayam Kairali Childrens Book Trust, 1986)
Keywords: Biographical collections