Tip: how to best to find specific pre-1800 printed English newspapers in Oxford.
Individual newspapers (in chronological order)
Founded in 1896. Hardcopy: 1896:Feb.-1945:Dec. & 1975: Mar/Apr - 2008:Mar.28-31 [partly microfilm]. From 1981 online in Factiva.
Hardcopy: 1986:Oct.:7/31-2008:Dec.:26/31 [microfilm] Films 1549; from 19 September 1988 online in Nexis.
Hardcopy: 1990:Jan.:28-no.1359(2016:Mar. 20); 1990-2016 in Factiva and Nexis. Ceased in 2016.
Not sure in which online resource your digitised newspaper can be found? You may find Richard Heaton's Index to Digitalised British and Irish Newspapers Online Beta useful.
Note that you may be directed to online resources which require either an institutional or a personal subscription.
English newspapers -- Great Britain -- History
Welsh newspapers -- Bibliography
Newspapers -- Scotland -- Dundee -- History
Irish newspapers -- Ireland -- Tipperary (County)