- ^ Rogers, Carl (1984). Becoming Partners. p. 238.
- ^ Hooper, Walter (1996). C. S. Lewis: A Companion & Guide. pp. 779, 88–90.
- ^ Lewis, pp. 9–12
- ^ Hooper, pp. 368–370
- ^ Lewis, pp. 20, 27
- ^ Lewis p. 26
- ^ MacSwain, R., ed. (2010). The Cambridge Companion to C. S. Lewis. pp. 147–148.
- ^ Lewis, pp. 50, 66
- ^ Lewis, pp. 50–52
- ^ Hooper, pp. 370–371
- ^ Hooper, p. 654
- ^ Lewis, p. 70
- ^ Lewis, pp. 77, 84–85, 70
- ^ Hooper, p. 372
- ^ Lewis, p. 108-109, 116
- ^ Hooper, p. 373
- ^ Lewis, p. 127-132, 113
- ^ Lewis, p. 124
- ^ Lewis, pp. 124, 132
- ^ Lewis, p. 133
- ^ MacSwain (1988). "Love". Fundamentals of the Faith: Essays in Christian Apologetics. Ignatius Press. pp. 146, 181.
- ^ "Program Two: C.S. Lewis: The Four Loves". The Question of God. PBS.
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