We have access to newspapers online also. See the Newspapers section of British Isles Online Primary Sources guide and the Online U.K. and Irish Newspapers guide.
Many microforms with accession numbers, such as these, below, have been moved to Remote Storage.
The Observer. London.
11202 Microforms
MSU Libraries has 1791-1980.
The London Chronicle. London, G. Harvey, etc., Jan. 1, 1757-April 28, 1823.
13275 Microforms
MSU Libraries has v. 1-133, but not all the issues.
The London Gazette. London, Edward Jones, 1666-
1949 Microforms
MSU Libraries has 1700-1800.