O’Connor Wins Democratic Primary for Pittsburgh Mayor, Defeating Incumbent - The New York Times
- O’Connor Wins Democratic Primary for Pittsburgh Mayor, Defeating Incumbent The New York Times
- Analysis: Pittsburgh Mayor Ed Gainey’s stunning primary defeat highlights era of political upheaval Post-Gazette
- O'Connor knocks off incumbent Gainey in Pittsburgh's Democratic mayoral primary; Moreno gets GOP nod TribLIVE.com
- How to vote in Pittsburgh's mayoral election PublicSource
- Democratic challenger defeats Pittsburgh mayor in a primary, after a clash over the party's future NBC News