Explore the content of our contributing institutions in the Digital Public Library of America:

Abington Public Library
Albright College
Allegheny College
Allegheny-Kiski Valley Historical Society thumbnail
Allegheny-Kiski Valley Historical Society
Altoona Public Library
American Philosophical Society
Baldwin School Archives
Graphic image of figure with mining pickaxe
Battle of Homestead Foundation
Bedford County Library
Bellwood-Antis Public Library
Benjamin Franklin Jones Memorial Library
Bernville Area Community Library
Bloomsburg University
Boyertown Area Senior High School
Braddock Carnegie Library Association
Bryn Mawr College
Cambria County Library
Carnegie Library of Pittsburgh
Andrew Carnegie seated next to dog
Carnegie Mellon University
Carnegie Museum of Art
Carnegie Museum of Natural History
Centre County Library & Historical Museum
CHRC of the Archdiocese of Philadelphia
Chatham University
Cheltenham Township Library System
Chester County History Center
Chester County Library & District Center
Clarion Free Library
College of Physicians
Newspaper cover
Conshohocken Free Library
High school band members in uniform
Cooper-Siegel Community Library
Crawford Township Library
Viola solo sheet music cover
Curtis Institute of Music
Drexel University, Westphal College of Media Arts & Design
DeSales University
Eastern State Penitentiary Historic Site
Elizabethtown College
Erie County Public Library
Illustration of two birds on a tree
Franklin and Marshall College
Free Library of Philadelphia
Friends Central School
Friends Historical Library
Geneva College
German Society of Pennsylvania
Germantown Historical Society
Haverford College
Heinz History Center
Clip from The Flash newpaper
Hempfield High School Library
Henderson High School
Historical Society of Montgomery County
Historical Society of Upper St. Clair
iLead Pennsylvania
Indiana University of Pennsylvania
James V. Brown Public Library
Johnstown Area Heritage Association
Juniata College
Keystone College
The Kiski School
Knoxville Public Library
Lancaster Public Library
La Salle University
Lafayette College Journal front page
Lafayette College
Laughlin Memorial Library thumbnail
Laughlin Memorial Library
Lehigh University
Library Company of Philadelphia
Lock Haven University
Lycoming College
Manheim Township School District thumbnail
Manheim Township High School
Martinsburg Community Library
Matthews Public Library
McBride Memorial Library
Memorial Library of Nazareth and Vicinity
Media Archives Historic Commission
Mengle Memorial Library
Meyersdale Public Library
Millersville University
Milton Hershey School
Monroeville Historical Society
Monroeville Public Library
Montgomery County CC
Moravian Historical Society
New Castle Public Library
New Cumberland Public Library
Northland Public Library
Oakmont Carnegie Library
Old Economite Church steeple in Ambridge, PA
Old Economy Village
Osterhout Free Library
Pennsylvania College of Technology
Pennsylvania Geological Survey
Pennsylvania Highlands Community College
Pennsylvania Horticultural Society
Pennsylvania School for the Deaf
Pennsylvania State Archives
Pennsylvania State University
Peters Township Public Library
Philadelphia Museum of Art
Pitcairn Historical Society
Pittsburgh History and Landmarks Foundation
Pittsburgh Symphony & Orchestra Archives
Point Park University Archives
Pottsville Free Public Library
Presbyterian Historical Society
Reading Area Community College
Reading Public Library
Rodef Shalom Congregation
Sacred Heart Academy Bryn Mawr
Saint Francis University
Saint Joseph's University
St. Marys Public Library
Schwenkfelder Library & Heritage Center
Science History Institute
Scranton Public Library
Sewickley Public Library
Sisters of St. Joseph of Baden thumbnail
Sisters of St. Joseph of Baden
Slippery Rock University
Squirrel Hill Historical Society thumbnail
Squirrel Hill Historical Society
State Library of PA
Summerville Public Library
Susquehanna University
Swarthmore Public Library
Temple University
Thomas Jefferson University
Liberty bell
Thomas Jefferson University - East Falls
Ulysses Library Association
Uniontown Public Library
United Lutheran Seminary
University of Pennsylvania
University of Pittsburgh
University of Scranton
Upper Merion Area High School Library
Upper Merion Township Library
Ursinus College
Villanova University
Wagner Free Institute of Science
The Walters Art Museum
Warren Library Association
West Chester University
West Pittston Public Library
Whitehall Township Public Library
Widener University
Wilkes University
Williamson College of the Trades
Wilson College
Wissahickon Valley Public Library
Woodland Hills High School Library thumbnail
Woodland Hills High School Library