Articles discussing Kottayam
Col. Munroe's Progressive Reforms and Social Transformation in Travancore
Christian Missionaries and Progressive Transformation in Modern Travancore
The St. Thomas Tradition and a Recent Discovery in Travancore
C. S. Srinivasachari · The Indian Historical Quarterly, 1931
“The date of the Kadamarram Cross thus becomes definitely computable as the end of the gth century, fe, about two centuries and 2 quarter later than the earlier Kottayam and St.Thomas’ Mount Crosses whiclh have been assigned to about the middle of the 7th century ;”
Col. Munroe's Administrative and Temple Reforms in Travancore