The Carnegie Library of Pittsburgh is the public library system in Pittsburgh, Pennsylvania. Its Main Branch is located in the Oakland neighborhood of Pittsburgh, and it has 19 branch locations throughout the city. Like hundreds of other Carnegie libraries, the construction of the main library, which opened in 1895, and several neighborhood branches, was funded by industrialist Andrew Carnegie. The Pittsburgh Photographic Library is a photography repository held by the Carnegie Library of Pittsburgh of over 50,000 prints and negatives relating to history of Pittsburgh. Conventions · City Hall · Courthouse · Mayor · Police · Fire · Libraries · Transit · Education · Regional University of Pittsburgh Medical Center · Giant Eagle · WestPenn Allegheny Health · University of Pittsburgh · PNC Financial · BNY Mellon · FedEx Ground · Eat'n Park · Excela Health · Highmark · U.S. Steel · Carnegie Mellon · Westinghouse · Allegheny Technologies · Bayer USA · US Airways · Consol Energy · EDMC · PPG · Siemens · Dick's Sporting Goods · Allegheny Energy · Duquesne University · 1st Commonwealth Financial · AK Steel · H.J. Heinz · Wesco · Guru.com · GNC · American Eagle Outfitters · Alcoa · Koppers · Federated Investors · Vivisimo · American Bridge · Ampco · Michael Baker · Steelers · Pirates · Penguins · Panthers · Dukes · Colonials · Crawfords · Grays · Hornets · Pirates (NHL) · Pipers · Gladiators · Maulers · Heinz Field · PNC Park · Mellon Arena · Petersen Events Center · Forbes Field · Three Rivers Stadium · Pitt Stadium Market Square · Point · West End · Frick · Grand View · Highland · Riverview · Schenley · Three Rivers · Schenley Plaza · West · Allegheny Riverfront · Mellon Square · Westinghouse · Arboretum · PPG Place Meadowcroft · Conservatory · Zoo · Observatory · Aviary · Museum of Art · Science Center · Museum of Natural History · Cathedral of Learning · Soliders & Sailors · Children's Museum · Clayton · History Center · Heinz Hall · Heinz Chapel · Warhol · Center for the Arts · Fort Pitt · Penn Station · Duquesne Incline · Monongahela Incline · Mellon Institute · Benedum · August Wilson Center · Wood Street · Byham · Frick · Miller · Nationality Rooms · Matress Factory Casino · Downtown · Macy's · Southside Works · Waterworks Mall · Mount Washington · Station Square · East Liberty · Squirrel Hill · Oakland · Strip District · Shadyside · Opera · Ballet · Symphony · Brass · Dance · Light Opera · Public Theater