A Popular Essay On Subjects Of Penal Law, And On Uninterrupted Solitary Confinement At Labor is a book written by Francis Lieber in 1838. The book explores the topic of penal law and the use of uninterrupted solitary confinement as a form of punishment. Lieber argues that this type of confinement, which involves placing a prisoner in a cell alone for extended periods of time, is cruel and ineffective. He advocates for alternative forms of punishment...