Yes, 12 courses are required in order to complete a Master's degree in Library Science or Information Science (along with a few additional requirements).
Admissions and Advising
Each of the different Linguistics academic programs has different requirements for admissions, courses and prerequisites, and graduation. Visit the appropriate page for details. When you're ready to apply, it's best to consult with an to help you navigate the program. This page contains Frequently Asked Questions about the Linguistics Program.