Most books dealing with Journalism fall within the following general call numbers.
The numbers (and letters) in call numbers correlate to subject, so if you find a book you like on the shelves, take a look around it and you'll find books on similar topics nearby.
HD59-59.6 (6th fl) HF5801-6182.2 (6th fl)
Public Relations Advertising
KF390.5-5753 (6th fl) P87-96 (7th fl)
U.S. Law, with respect to Media Communication via Mass Media
PN4699-5650 (7th fl) PN4775-4784 (7th fl)
Journalism (General) Journalism Technique
PN4832-4836 (7th fl) TR820-820.6 (3rd fl Arts)
Magazine Journalism Photojournalism /Documentary
Keep in mind that additional books can be found outside of the above call number areas (e.g., the letter H covers the Social Sciences, which may include works on Political Communication). For more information about call numbers, see the Library of Congress Call Numbers page.