Author:Frank Hall Knowlton

Frank Hall Knowlton
(1860–1926)

American paleobotanist who studied prehistoric climates and the distribution and structure of fossilized plants

Frank Hall Knowlton

Works edit

Articles in Popular Science Monthly edit


Works about Knowlton edit

  • "Knowlton, Frank Hall". District of Columbia: Concise biographical dictionary of its prominent and representative contemporary citizens: pp. 268–269. 1908. 


 

Some or all works by this author are in the public domain in the United States because they were published before January 1, 1929.


This author died in 1926, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 97 years or less. These works 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.

 

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