These are the most helpful databases to search in for scholarly articles about zines.
JSTOR provides page images of ebooks, ebook chapters, and back issues of scholarly journals in the humanities, social sciences, and basic sciences from the earliest issues to current publication. It also offers millions of high-quality ArtStor images, curated from leading museums and archives around the world.
MLA International Bibliography is a database of citations to critical documents on folklore, language, linguistics, and literature, including articles from journals, monographs, collections & reference works.