Bible Encyclopedias
Doubting Castle
The Nuttall Encyclopedia
A castle belonging to Giant Despair in the "Pilgrim's Progress," which only one key could open, the key Promise.
Copyright Statement
Public Domain.
Bibliography Information
Wood, James, ed. Entry for 'Doubting Castle'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/d/doubting-castle.html. Frederick Warne & Co Ltd. London. 1900.