Source: The Labor Advocate 3 April 1891: 2. Signed by “Grip.” Image accompanies reprint of chapters 35-37 of Ignatius Donnelly’s Caesar’s Column: A Story of the Twentieth Century (1890). Caption (not shown) reads: “Should civilization ever revive on Earth, let the human race come hither and look upon this towering shaft, and learn to restrain selfishness and live righteously.”
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