Author:John Denison Champlin Jr.

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John Denison Champlin Jr.
John Denison Champlin Jr.


Articles in Popular Science Monthly[edit]

Articles in The American Cyclopædia[edit]

Articles in Encyclopædia Britannica (9th ed.)[edit]


Works by this author published before January 1, 1923 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.