General Reference
EBSCO Explora: Explora provides students with easy-to-use features and age-appropriate content from the world’s leading magazines and reference books.
Gale Virtual Reference Library: Comprehensive 'eReference' resource. Online reference books on the subjects of art, biography, education, environment, history, medicine, multicultural studies, nation and world, religion, science, and social science. Enjoy unlimited access to top reference eBooks.
Salem Press: Reference works on literature, history and biography, the social sciences, and science.
WorldBook: Digital resources for all subjects and grades preK through high school.