Articles in Popular Science MonthlyEdit
- "A Piece of Coal" in Popular Science Monthly, 18 (March 1881)
- "Adequacy of the Paleontologic Record I" in Popular Science Monthly, 76 (June 1910)
Some or all works by this author were published before January 1, 1928, and 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.