"19th Century Masterfile is an online collection of indexes of nineteenth century literature. The collection is built around Poole's index to periodical literature (1802-1907), and includes other indexes such as Index to periodicals (1890-1902), Cumulative index to a selected list of periodicals, Nineteenth century reader's guide to periodical literature (1890-1899), Index medicus (1879-1927) as well as indexes to book literature and individual journal titles."--Database description screen.