books.google.com - Provides essays on the careers, works and backgrounds of the 150 poets and over 1000 poems that are included in the Library of America anthology (1-57958-034-3). It also provides entries on specialized categories of 19th-century verse, such as hymns, folk ballads, spirituals, Civil War songs and Native...https://books.google.com/books/about/Encyclopedia_of_American_Poetry.html?id=IKped0j8PXwC&utm_source=gb-gplus-shareEncyclopedia of American Poetry