Literature is not only always written, it is only written. Literature literally means "Things made of letters." the term comes from 14th century Latin (litterātūra), translated "writing formed with letters."
Literature that is recorded in written form is said to be written literature.
Kenneth Bell has written: 'Puritanism and liberty' 'The literature of the humanities' 'The literature of philosophy' 'The literature of literature'
gothic literature was written in 1760-1830
Hebrew literature is written using the Hebrew language. No other literature is written that way (or else it would become Hebrew literature).
Karl Keller has written: 'The example of Edward Taylor' -- subject(s): American Christian poetry, American Devotional literature, American Poets, Biography, History and criticism, Puritan movements in literature, Puritans in literature 'The only kangaroo among the beauty' -- subject(s): America, In literature, Knowledge, National characteristics, American, in literature
Mary-Carol Kelly has written: 'For kids only' -- subject(s): Juvenile literature, Marijuana
John A. Kersey has written: 'Ethics of literature' -- subject(s): Literature 'Ethics of literature'
Friend of literature has written: 'Fatal effects of seduction'
Essays about literature were written by many different people. Many authors would write essays about literature written by different authors. Essays are also written by students.
Alfred Howard has written: 'The beauties of literature' -- subject(s): Collections, English literature, Literature
Steve Brie has written: 'Literature and ethics' -- subject(s): Literature and morals, Ethics in literature
Kenneth O'Brien has written: 'The sociology of literature' -- subject(s): Literature and history, Literature and society