• 3 College Library
• 1 Verona Shelving Facility

• 4 Videos, Slides, Films

• 2 History
• 1 Aerodynamics
• 1 Allegheny Observatory
• 1 Architecture
• 1 Astronomers
• 1 Astronomy
• 1 Brashear, John A. (John Alfred), 1840-1920
• 1 Brashear, Phoebe Stewart, 1843-1910
• 1 Buildings, structures, etc
• 1 Discrimination
• 1 Eastern State Penitentiary of Pennsylvania
• 1 Gay people
• 1 Hip-hop
• 1 Homophobia
• 1 Homosexuality
• 1 Human factors
• 1 Islam
• 1 Keeler, James Edward, 1857-1900
• 1 Langley, S. P. (Samuel Pierpont), 1834-1906
• 1 Music
• 1 Muslims
• 1 Observatories
• 1 Officials and employees
• 1 Prisoners
• 1 Prisons

• 1 Alosi, Tony
• 1 Center for Asian American Media
• 1 Conrad, David, 1967-
• 1 Crouch, Tom D
• 1 Dan Handley Science Media, LLC
• 1 Dark Hollow Films
• 1 Garden Thieves Pictures
• 1 Hamer, Dean
• 1 Handley, Dan, 1960-
• 1 Latino Public Broadcasting (Firm)
• 1 Penn State Public Broadcasting
• 1 Pérez, Hamza
• 1 Qwaves Documentary Films
• 1 Reed, Karen
• 1 Senator John Heinz Pittsburgh Regional History Center (Pittsburgh, Pa.)
• 1 Seventh Art Releasing (Firm)
• 1 Shenk, Jon
• 1 Smithsonian Institution
• 1 Taylor, Jennifer Maytorena
• 1 Tyson, Neil deGrasse
• 1 Westheimer, Cody, 1979-
• 1 Wilson, Joe, 1964-
• 1 Yamamoto, Kenji, 1950 March 19-

• 4 English

• 2 Pittsburgh
• 2 United States
• 1 Oil City
• 1 Oil City (Pa.)
• 1 Philadelphia
• 1 Philadelphia (Pa.)

Limit year range