ببلیو گریفی
- Encyclopedia Britannica (1958)
- Bertrand Russell, My Philosophical Development
- Bertrand Russell, Human Knowledge
- Bertrand Russell, Our Knowledge of the External World
- Bertrand Russell, The Problem of Philosophy
- Bertrand Russell, Why I am not a Christian
- T. R. Miles, Religion and The Scientific Outlook
- T. R. Miles, Science of Life
- T. R. Miles, Philosophers of Science
- G. G. Simpson, Meaning of Evolution
- A. E. Mander, Clearer Thinking
- R. S. Lull, Organic Evolution
- Haldane & Huxley, Animal Biology
- Arnold Lunn, Revolt Against Reason
- Chamber’s Encyclopedia (1874)
- Kerala Christian Mission, Nature and Science Speak About God
- J. Huxley, Religion Without Revelation
- Jhon Wilson, Philosophy and Religion
- J. N. Sullivan, The Limitations of Science
- Arthur Stanley Eddington, The Domain of Physical Science
- Mortan White, The Age of Analysis
- Sir James Jeans, The Mysterious Universe
- A. N. Gildesh, Faith for Modern Man
- Alexis Carrel, Man, the Unknown
- C. M. Joad, Modern Wickedness
- The Hindustan Times, New Delhi, India
- Science and Christian Belief
- Julian Huxley, Man in the Modern World
- Sigmund Freud, New Introductory Lectures on Psychoanalysis
- Human Personality and its Survival of Bodily Death
- Religion, Philosophy and Psychical Research
- Arnold Toynbee, An Historian’s Approach to Religion
- Encyclopedia of Social Sciences (1957)
- Allama Shibli Nomani, Al-Ghazzali
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