Historical Newspapers contains four major historical resources.
Including: Palmer's Index to the Times which covers the period from 1790 to 1905 in The Times; The Official Index to the Times which takes the coverage forward from 1906 to 1980; The Historical Index to the New York Times which covers The New York Times from 1851 to September 1922; and Palmer's Full Text Online, 1785-1870, providing access to the full articles referenced in Palmer's index to the Times.