Explore encyclopedias and specialized reference sources on a variety of topics from history, government, environment, math, and more!

Formerly Global Reference on the Environment, Energy, and Natural Resources (GREENR). This database offers researchers an interdisciplinary resource for environment and sustainability studies, providing news, background information, video, commentaries, primary source documents and statistics in relevant topic areas such as energy systems, healthcare, food, climate change, population, and economic development. 

Offers access to scholarly journals and magazines covering topics including gender studies, family, and marital issues, LGBTQ community, and more.

Researchers can remain current with the latest scientific developments in particle physics, advanced mathematics, nanotechnology, geology, and hundreds of other areas.

Single search for newspapers in the Philadelphia Region. Primarily the Philadelphia Inquirer and the Delaware County Daily Times.