Click on the searchable database for your discipline and choose "view subject category"; the broadest searchable databases are Arts & Humanities Citation Index, Science Citation Index, and Social Science Citation Index.
List of journals in MEDLINE by title, discipline, and country. [Note: This list is available in multiple formats, and is rather long (approximately 300 pages). Print copies are available at the Medical, Public Health, and Science Libraries.
BIOSIS Serials Sources
Z 5321 .B67 (Print copy available in Taubman Medical Library Reference Area.) Lists the journals covered in the BIOSIS Previews database.