Translation studies analyzes different types of translations including usage, cribs, and poetry to prose. Usage refers to literal translations in 19th century English texts of classical works and the Bible. Cribs are literal translations sometimes prepared for writers translating works in an unfamiliar language. For example, Robert Pinsky used a literal translation in translating Dante's Inferno. There is a difference between a literal translation of a poetic work, which may be in prose form while maintaining accuracy, and a prose translation, which interprets the original work in a different style.