San Diego State University's Certificate in Comics Studies: https://comics.sdsu.edu/curriculum/certificate
University of Florida: http://www.english.ufl.edu/comics/
University of Oregon: http://comics.uoregon.edu/?page_id=2
Portland State: https://www.pdx.edu/comics-studies/
Henderson State: https://www.hsu.edu/pages/academics/comics-studies/
San Francisco State University: https://humanitiesliberalstudies.sfsu.edu/minor-comics-studies
University of Dundee MLit: https://www.dundee.ac.uk/study/pg/comics-graphic-novels/