Books by Sinclair, Upton (sorted alphabetically)
- Love's Pilgrimage: A Novel Upton Sinclair
- Maailmankaupunki: Romaani (Finnish) Upton Sinclair
- Machine Upton Sinclair
- Mammonart: An essay in economic interpretation Upton Sinclair
- Mental Radio Upton Sinclair
- Metropolis Upton Sinclair
- Moneychangers Upton Sinclair
- Naturewoman Upton Sinclair
- Oil! : A novel Upton Sinclair
- On Guard: Mark Mallory's Celebration Upton Sinclair
- Overman Upton Sinclair
- Pörssiylimys: Erään amerikalaisen miljoonamiehen elämäntarina (Finnish) Upton Sinclair
- Pot Boiler: A Comedy in Four Acts Upton Sinclair
- Prince Hagen Upton Sinclair
- Prisoner of Morro; Or, In the Hands of the Enemy Upton Sinclair
- Profits of Religion: An Essay in Economic Interpretation Upton Sinclair
- Profits of Religion, Fifth Edition Upton Sinclair
- Rahanvaihtajat (Finnish) Upton Sinclair
- Sadan prosentin patriootti (Finnish) Upton Sinclair
- Samuel the Seeker Upton Sinclair
- Second-Story Man Upton Sinclair
- spokesman's secretary : Being the letters of Mame to Mom Upton Sinclair
- Sylvia: A Novel Upton Sinclair
- Sylvia's Marriage: A Novel Upton Sinclair
- They Call Me Carpenter: A Tale of the Second Coming Upton Sinclair