The "Chronicling America" site (part of The Library of Congress) has added to its historic online newspaper collection. This site allows you to search and view newspaper pages from 1880-1922 and find information about American newspapers published between 1690-present.
You can view selected newspapers from the states of Arizona, California, District of Columbia, Florida, Hawaii, Kentucky, Minnesota, Missouri, Nebraska, New York, Ohio, Pennsylvania, Texas, Utah, Virginia and Washington. Search capability is available also.
You can get to the site at: http://chroniclingamerica.loc.gov/