Internet Bird Collection

The Internet Bird Collection is a non-profit endeavour with the ultimate goal of disseminating knowledge about the world’s avifauna. It is an on-line audiovisual library of the world’s birds (based … Continued


Historic Pittsburgh

Search U.S. Census Schedules for the City of Pittsburgh (1850-1880) and Allegheny City (1850-1870), view images of historic Pittsburgh maps and photographs.


GuideStar Pro

This resource is now available on site across all CLP locations! GuideStar provides information on the programs and finances of more than 1.8 million IRS-recognized nonprofits across the United States. … Continued


Foundation Grants to Individuals Online

This resource is available on site across all CLP locations! Foundation Grants to Individuals Online, by the Foundation Center (New York), profiles over 6,500 foundations and public charities that fund … Continued


Foundation Directory Online Professional Edition

This resource is available on site across all CLP locations! Foundation Directory Online Professional is the grant seeker’s most valuable resource of information on nearly 100,000 foundations, grantmaking public charities, … Continued


Access PA Online Catalog

Find materials owned by libraries throughout Pennsylvania. Most can be borrowed through Interlibrary Loan.


Pittsburgh Annual Reports

CLP – Main offers a large collection of Pittsburgh area annual reports for public companies in the Local History, Genealogy, Archives & Special Collections Department. Call 412-622-3114 for help finding … Continued


MedLine Plus

Authoritative consumer health information from the National Library of Medicine and the National Institutes of Health.


Reference Universe

This resource is only available from inside Carnegie Library of Pittsburgh. Reference Universe searches the complete indexes of more than 10,000 designated reference titles, and then indicates which titles are … Continued


Readers’ Guide Retrospective

This resource is available to CLP cardholders only. For over 100 years, Readers’ Guide to Periodical Literature has become the ultimate index of subjects in the popular press, has earned … Continued