Searching all of the Proquest databases (not just the News & Newspaper Database) will provide information not only from newspapers, but about the news and media. I did a publication search, and the following list is a sample of the the many journals, newspapers, and magazines related to journalism, writing, and media that you can find here.
The CMCC Library keeps one week of these newspapers in print:
and three months of the following:
Most Maine, U.S., and many international newspapers can be found in the Proquest News & Newspapers database. You will find all the major U.S. newspapers here including: the Boston Globe, The Wall Street Journal, The New York Times, The Chicago Tribune, The Los Angeles Times, and many many more.