The Library of Congress and the National Endowment for the Humanities provide the following information at http://chroniclingamerica.loc.gov.
Welcome to Chronicling America, enhancing access to America's historic newspapers. This site allows you to search and view newspaper pages from 1880-1922 and find information about American newspapers published between 1690-present. Chronicling America is sponsored jointly by the National Endowment for the Humanities and the Library of Congress as part of the National Digital Newspaper Program (NDNP).
The growing project covers the time period "from 1880 to 1922 from the following states: Arizona, California, District of Columbia, Florida, Hawaii, Kentucky, Minnesota, Missouri, Nebraska, New York, Ohio, Pennsylvania, Texas, Utah, Virginia and Washington.