Philosopher's Index. Indexes books and articles in philosophy and related fields including ethics. Covers 1940 to the present.

PhilPapers. PhilPapers is a comprehensive index and bibliography of philosophy maintained by the community of philosophers. Using advanced trawling techniques and large scale crowdsourcing, we monitor all sources of research content in philosophy, including journals, books, open access archives, and personal pages maintained by academics. We also host the largest open access archive in philosophy. PhilPapers has over 60,000 registered users.

Religion and Philosophy Collection. Full-text of more than 280 journals in the fields of religion and philosophy.

Humanities International Complete. Indexes and abstracts some 1,900 periodical titles with some coverage as far back as 1925. Also indexes books, essays, reviews, and original creative work including fiction and poems.

JSTOR. Fully searchable full-text of nearly 1,000 scholarly journals. JSTOR provides back files to the first issue of a journal, but stops 3 to 5 years before the current publication year. Covers all disciplines.

Electronic Journal Center (EJC). Searchable, full-text issues of journals from a number of major publishers. More than 7,000 journals are available.

Academic Search Complete. Multidisciplinary database that indexes and abstracts some 9,300 periodicals, both popular and scholarly. Provides full-text to more than 5,300 journals.