Upton Sinclair Jr. (20.9. 1878 – 25.11. 1968), bio je plodni američki pisac koji je napisao preko 90 knjiga u brojnim žanrovima, a danas se smatra jednim od najboljih istraživačkih novinara u američkoj historiji. U svoje vrijeme je zagovarao socijalizam i iskazivao simpatije prema anarhizmu. Stekao je veliku popularnost u prvoj polovici 20. vijeka, za što posebnu zaslugu ima njegov roman The Jungle iz 1906. godine, koji se bavio stanjem američke mesne industrije i potakoao donošenjem Zakona o čistoj hrani i lijekovima i Zakona o mesnoj inspekciji godine 1906. Arhivirano 2010-01-06 na Wayback Machine-u
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Zatvori
- Courtmartialed - 1898
- Saved By the Enemy - 1898
- The Fighting Squadron - 1898
- A Prisoner of Morro - 1898
- A Soldier Monk - 1898
- A Gauntlet of Fire - 1899
- Holding the Fort (priča) - 1899
- A Soldier's Pledge - 1899
- Wolves of the Navy - 1899
- Springtime and Harvest - 1901
- The Journal of Arthur Stirling - 1903
- Off For West Point - 1903
- From Port to Port - 1903
- On Guard - 1903
- A Strange Cruise - 1903
- The West Point Rivals - 1903
- A West Point Treasure - 1903
- A Cadet's Honor - 1903
- Cliff, the Naval Cadet - 1903
- The Cruise of the Training Ship - 1903
- Prince Hagan - 1903
- Manassas - 1904
- A Captain of Industry - 1906
- The Jungle - 1906
- The Millennium (drama u četiri čina) - 1907
- The Overman - 1907
- The Industrial Republic - 1907
- The Metropolis - 1908
- The Money Changers - 1908
- Samuel The Seeker - 1909
- Good Health and How We Won It - 1909
- The Machine (novel) - 1911
- King Coal - 1917
- The Profits of Religion - 1917
- Jimmie Higgins - 1919
- The Brass Check - 1919
- THE SPY - 1920
- They Call Me Carpenter - 1922
- The Goose-step A Study of American Education - 1923
- The Millennium (novel form) - 1924
- The Goslings - 1924
- Mammonart - 1925
- Money Writes! - 1927
- Oil! - 1927
- Boston - 1928
- Mental Radio - 1930
- Roman Holiday - 1931
- The Wet Parade - 1931
- American Outpost - 1932
- Upton Sinclair presents William Fox - 1933
- The Epic Plan for California - 1934
- I, Candidate For Governor: And How I Got Licked. - 1935
- Co-op: a Novel of Living Together - 1936
- No Pasaran!: a Novel of the Battle of Madrid - 1937
- The Gnomobile- 1937
- The Flivver King - 1937
- Little Steel- 1938
- Our Lady - 1938
- Letters to a Millionaire - 1939
- World's End - 1940
- Between Two Worlds - 1941
- Dragon's Teeth - 1942
- Wide Is the Gate - 1943
- The Presidential Agent - 1944
- Dragon Harvest - 1945
- A World to Win - 1946
- A Presidential Mission - 1947
- One Clear Call - 1948
- O Shepherd, Speak! - 1949
- Schenk Stefan! - 1951
- The Return of Lanny Budd - 1953
- The Cup of Fury - 1956
- What Didymus Did - UK 1954 / It Happened to Didymus - US 1958
- The Autobiography of Upton Sinclair - napisana 1962. uz pomoć Maeve Elizabeth Flynn III