There are many great resources to search old newspaper archives online. The links below should help you get started with finding original source information on persons and news events.
Search Tips – Remember that most of these newspapers have been indexed by OCR – optical character reading. This technology can often miss words due to faded texts, missing parts of the paper, or hypenated words. Also, try spelling variations of your search term.
National Newspaper Search
Library of Congress – Chronicling America – Historic American Newspapers – http://chroniclingamerica.loc.gov/
Great resource for searching over 3,699,000 pages of historic newspapers.
Newspapers.com – Subscription-based site that has every page of the Palm Beach Post published since 1916. http://www.newspapers.com
Florida Newspaper Sources
University of Florida – Florida Digital Newspaper Library – http://ufdc.ufl.edu/fdnln
You can search and download images from the many newspapers in the digital collection.