These e-journal collections provide access to many scholarly journals in the Humanities, but they are more limited in coverage compared to subject databases. In many cases, it's better to search subject databases to identify articles. However, when you are specifically undertaking interdisciplinary research, these two databases can be excellent starting places.
Humanities International Complete indexes over 1,200 journals in the humanities and creative arts, including many not indexed elsewhere. It is an excellent starting point especially for interdisciplinary research in the humanities.