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Pranala luar
Ford, Paul F. (2005), Companion to Narnia, Revised Edition, SanFrancisco: Harper, ISBN 0-06-079127-6
Duriez, Colin (2004), A Field Guide to Narnia, InterVarsity Press, ISBN 0-8308-3207-6
Wagner, Richard J. (2005), C. S. Lewis & Narnia For Dummies, For Dummies, ISBN 0-7645-8381-6