• 1 College Library
• 1 Verona Shelving Facility

• 3 DVDs

• 1 Aerodynamics
• 1 Allegheny Observatory
• 1 Astronomers
• 1 Astronomy
• 1 Brashear, John A. (John Alfred), 1840-1920
• 1 Brashear, Phoebe Stewart, 1843-1910
• 1 Citizen participation
• 1 Climate change mitigation
• 1 Climatic changes
• 1 Energy conservation
• 1 Environmental protection
• 1 Environmentalism
• 1 Global warming
• 1 Government policy
• 1 Greenhouse effect, Atmospheric
• 1 Hip-hop
• 1 History
• 1 Islam
• 1 Keeler, James Edward, 1857-1900
• 1 Langley, S. P. (Samuel Pierpont), 1834-1906
• 1 Music
• 1 Muslims
• 1 Observatories
• 1 Prevention
• 1 Pérez, Hamza

• 1 @Radical.media (Firm)
• 1 Beaumont, Sidney
• 1 Bloomberg Philanthropies
• 1 Bonfiglio, Michael
• 1 Brill, Paul, 1968-
• 1 Brosnahan, Rachel
• 1 Center for Asian American Media
• 1 Conrad, David, 1967-
• 1 Crouch, Tom D
• 1 Dan Handley Science Media, LLC
• 1 Handley, Dan, 1960-
• 1 Latino Public Broadcasting (Firm)
• 1 National Geographic Documentary Films
• 1 National Geographic Society (U.S.)
• 1 Peduto, Bill, 1964-
• 1 Pérez, Hamza
• 1 Resnick-Day, Eva
• 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 Twentieth Century Fox Home Entertainment, Inc.
• 1 Tyson, Neil deGrasse
• 1 Yamamoto, Kenji, 1950 March 19-

• 3 English

• 2 United States

Limit year range