Author:Charles Sumner Boyer
Works
edit- New Species of Diatoms (1898)
- Diatomaceae of Philadelphia and Vicinity (1916)
- List of Quaternary and Tertiary Diatomaceae from deposits of southern Canada (1926)
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 1928, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 95 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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