The call number ranges for Communication in Politics are JF 2112 (Berry Level 4), HE 8700.75 through HE 8700.76 (Berry Level 3) and JA 84 through JA 85 (Berry Level 4). You will find most of these items in Baker/Berry Library on the indicated levels. There may be other relevant material in the Feldberg Business & Engineering Library. Always check the online catalog.
Useful subject headings with which to search the online catalog:
Want an easy way to keep up with the journal literature for all facets of Communication? And you use a mobile device? You can install the BrowZine app and create a custom Bookshelf of your favorite journal titles. Then you will get the Table of Contents (ToCs) of your favorite journals automatically delivered to you when they become available. Once you have the ToC's you can download and read the articles you want.
You can get the app from the App Store or Google Play.
Don't own or use a mobile device? You can still use BrowZine! It's now available in a web version. You can get to it here. The web version works the same way as the app version. Find the journals you like, create a custom Bookshelf, get ToCs and read the articles you want.