Market Day, Hanover Street entrance
Fireman in full parade regalia
A group in a Stevens-Duryea in front of the Charles Kirst Hotel
Assembly Hall of Radio Station at Atwater Kent Factory
Street scene in Pittsburgh
Einstein's lecture on “Theory of Relativity”
Philadelphia Auto Show in 1949
Einstein lectures to students
Students at Carlisle Indian School
Einstein giving a lecture to Lincoln University students about his theory of relativity
Philadelphia Armenian National Choir
Civil War veteran Joseph Matchette
Children living in two-room apartment.
Three young boys sitting in a wagon
Group of young children stand near open sewage
Main street Aliquippa, Pennsylvania
The oldest photograph of Philadelphia
Three women who completed their education and graduated as physicians
Philadelphia 8th & Market Street
A Sharpshooter's Last sleep
Incidents of the war: "The Harvest of Death"
May be oldest photo in USA
Amundsen, Shackleton and Peary
Former President Theodore Roosevelt
