This category designates courses that organize the study of literature into discrete historical eras and their significant cultural, aesthetic, or political concerns. "Eras" courses differ from historical surveys in that they focus on a single historical period, rather than bridge multiple historical periods, thus emphasizing depth within the period over breadth encompassing multiple periods. The emphasis on literary texts is balanced with attention to secondary sources and literary scholarship. The course also includes perfecting methods of literary analysis, instruction on writing about literature, and challenging writing assignments. Specific themes, authors, and texts vary by semester; please see department website for current information. Themes and texts vary by instructor; please see department website for current information.