JSTOR provides access to a vast archive of scholarly work in all disciplines.
From the publisher: Ebook Central provides authoritative, full-text e-books in a wide range of subject areas along with powerful tools to find, use, and manage the information.
From the publisher: ProQuest Research Library provides one-stop access to thousands of full-text periodicals from one of the broadest, most inclusive general reference databases ProQuest has to offer. Search from a highly-respected, diversified mix of scholarly journals, professional and trade publications, and magazines covering over 150 subjects and topics.
CultureGrams provides easy-to-use, ready reference information about countries, states, provinces, and cultural characteristics of daily life found in each place.