Here is a list of major journals in Japanese literary studies and Japanese aesthetics:
Here is a short list of useful articles databases for classical Japanese literary studies. Note that many of these sources only index to journal articles -- they don't actually have the full text. Use the gold "UC-eLinks" button to do an automated search to find the full text or citation linker, or search for the journal title in the UCLA Library Catalog. See also "Articles and Books (Scholarly)" page under "By Source Type" tab for more general article indexes.