- Social reformers--India--Kerala--Biography (8)
- Kerala (India)--Biography (2)
- Mādhavannāyar, Ke., 1882-1933 (2)
- Nationalists--India--Kerala--Biography (2)
- Padmanabhan, Mannathu, 1878-1970 (2)
- Authors, Malayalam--20th century--Biography (1)
- Bhattathiripad, V. T., 1896- (1)
- Hindus--India--Kerala--Biography (1)
- Narayana Guru, 1856-1928--Biography (1)
- Narayanan Nair, P., 1906-1973 (1)
- Politicians--India--Kerala--Biography (1)