Historical Newspapers (ProQuest) - first link below - provides searchable full-text of 24 major papers from the late 1800's to the mid-1900's.
The New York Times and Historical Black Newspapers are searched separately using the links below.
Individual links to The Washington Post and Wall Street Journal, which are included within the Historical Newspapers database, also appear below.
Another way to locate historic newspapers is to see if the UM Libraries own a print or microfilm subscription. Follow the steps below to search for a newspaper title in WorldCat UM: