Jabarkan Lihat pula dari Devasahayam Pillai

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J. Rosario Narchison,"Towards a Historiography of Martyr Devasahayam," in "India's Christian Heritage" Ed. O. L. Snaitang and George Menachery, CHAI, Bangalore, 2011, pp. 135–145.

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Kottukapally, Joseph. "Devasahayam Pilla: Convert, Apostle, Revolutionary, Martir [sic], I." Vidyajyoti Journal of Theological Reflection 76/1 (2012) 27-42.

Kottukapally, Joseph. "Devasahayam Pilla: Convert, Apostle, Revolutionary, Martyr, II." Vidyajyoti Journal of Theological Reflection 76/2 (2012) 108-120.

Narchison, Rosario J. Martyr Devasahayam. A Documented History. Nagarcoil: Canonization Committee, 2009.