1. Rabindranath Tagore, Gitanjali , with an Introduction by W.B. Yeats,
Macmillan & co. Ltd. (Selected stanzas)
2 K.R. Srinivas Iyengar, Indian Writing in English, Bombay: Asia, 1963, p.14.
3. D.V. K. Raghvacharyalu, “Tagore and Sri Aurobindo: Prophets Awakened Consciousness” Essays in Criticism of English Literature in English, Ed. M.S. Nagarajan, et. Al Madras S. Chand, 1991, p. 24.
4. Tagore. A Centenary Volume : Sahitya academy, 1961.