Atlantis, the Antediluvian World Donnelly's 1882 classic of Atlantis studies, in HTML sections. Features an essay by Norm Wolcott, and an introduction by J.B. Hare.
Project Gutenberg Titles Online texts of Atlantis, Caesar's Column and Ragnarok. Zipped and unzipped versions in various file formats.
Ragnarok: The Age of Fire and Gravel Full text of this 1883 work by Donnelly, in which he presents evidence for a fiery cataclysm thousands of years ago. Includes introduction by J.B. Hare.