|←Author Index: Si||Upton Sinclair
|A prolific American author who wrote over ninety books in many genres, often advocating socialist views.|
- Springtime and Harvest (1901)
- The Jungle (1906)
- The Cry for Justice (1915)
- King Coal (1917)
- The Profits of Religion (1918)
- The Brass Check (1920)
|Some or all works by this author are in the public domain in the United States because they were published before January 1, 1923.
The author died in 1968, so works by this author are also in the public domain in countries and areas where the copyright term is the author's life plus 30 years or less. Works by this author may also 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.