This is not a comprehensive list. These are starting points for your research - don't rule out other non-social sciences databases! Leadership Studies is multidisciplinary and so your search needs to encompass a variety of subject areas.
This option will search a combination of the Clarivate science, social science, and arts and humanities citation databases, and conference citations in science and social science. This option is useful when searching for highly cited interdisciplinary literature.
How to find electronic journals and search within them:
For more subject-specific journals, search "leadership" in the eJournals tab on Library Home Page or, for both physical and electronic journals, search "leadership" in the Library Catalog and change the second drop-down box to "Journals".