Bible Encyclopedias
Pillars of Hercules
The Nuttall Encyclopedia
See Hercules, Pillars of .
Copyright Statement
Public Domain.
Bibliography Information
Wood, James, ed. Entry for 'Pillars of Hercules'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​p/pillars-of-hercules.html. Frederick Warne & Co Ltd. London. 1900.