sentences:  The word proletarian is also used to describe works about the working class by working-class authors, to distinguish them from works by middle-class authors such as Charles Dickens ("Hard Times"), John Steinbeck ("The Grapes of Wrath"), and Henry Green ("Living").Similarly, though some of poet William Blake's (1757–1827) works are early examples of working-class literature, including the two "The Chimney Sweeper" poems, published in "Songs of Innocence" in 1789 and "Songs of Experience" in 1794, which deal with the subject of child labour, Blake, whose father was a tradesman, was not a proletarian writer.The proletariat are members of the working class.