Author:Lawrence Clement Johnson
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Articles in Popular Science Monthly
- "The Chain of Species I", in Popular Science Monthly Volume 5, July 1874
- "The Chain of Species II", in Popular Science Monthly Volume 5, August 1874
- "The Chain of Species III", in Popular Science Monthly Volume 5, September 1874
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.