General / Multidisciplinary Sources:

• Virtual Reference Shelf - selected resources compiled by the Library of Congress
• I-Tools - a collection of quick look-up tools (directories, dictionaries, translators, etc.)
• Reference Shelf - dictionaries, encyclopedias, directories... This link currently connects to the Penn Library. Some links on this page will not be available to the Philadelphia University Community.
• Business Reference Shelf - calculators, exchange rates, ticker symbols...This link currently connects to the Penn Library. Some links may not be available to the Philadelphia University Community.
• IPL: The Internet Public Library