At the Earth's Core first appeared as a four-part serial in All-Story Weekly from April 4–25, 1914. It was first published in book form in hardcover by A. C. McClurg in July, 1922
66197At the Earth's Core1922Edgar Rice Burroughs
At the Earth's Core
BY EDGAR RICE BURROUGHS Author of The "Tarzan" and the "Martian" Stories
This work is in the public domain in the United States because it was published before January 1, 1929.
The longest-living author of this work died in 1950, so this work is in the public domain in countries and areas where the copyright term is the author's life plus 73 years or less. This work may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
