The Oxford English Dictionary defines "journalism" as "the occupation or profession of a journalist; journalistic writing; the public journals collectively." It was first used in 1833 in the The Westminster Review published in London.
[Source: "Journalism, n." OED Online. Oxford University Press, accessed May 9, 2022]
"Journalism" is the subject heading used in the online catalog. You can narrow the search by adding a country name after journalism. Look at the "related subjects" too. You can also browse the shelves in Baker/Berry Reference to see what we have on Journalism there. The call number range is PN 4699 through PN 5650 located on Baker Level 4.