Major English and modern language indexing database that covers of journals, books and theses back to 1926.
Database platform that includes 100-some other indexing, full-text and reference databases (listed separately). On the ProQuest platform.
Multidisciplinary ejournal and ebook platform that provides full-text of library-licensed journals and ebooks. On its own platform.
Humanities indexing database that covers journal, magazine and newspaper articles published in the UK and other English-speaking countries back to 1962. On the ProQuest platform.
Lots of English research is multidisciplinary, so you might need to expand your searches beyond core literature databases. I've chosen a range of subject guides in areas that literature researchers have found useful, but we have lots more.