Articles in databases may use different descriptions of cities and states, e.g., Glendale CA, Glendale Calif, or Glendale California, and you may miss a relevant article if you choose the wrong description to use in your search.
Therefore, many databases provide a list of locations that you may select and add to your search. The following is an example of the look up locations function from ProQuest:
In Subscription Databases: Newspapers are an excellent source for first-hand accounts of events or places, as well as interviews with participants (including speeches) are commonly included in newspaper articles, all of which are considered primary sources. An example from ProQuest: Note that this search used the Look Up Locations function available in ProQuest to identify the various ways that the city can be designated.
Take a look at the results list below: