Template:Pittsburgh history

• Virginia-Pennsylvania Boundary from Virginiaplaces.org.

• Fortifying Pittsburgh in 1863 from Bivouacbooks.com.

• Eyewitness: 1949, TV makes Pittsburgh 'A New Promise' Pittsburgh Post-Gazette (May 16, 2010)

• City Cable TV Viewers Talk Back With 'QUBE'. Pittsburgh Press (April 14, 1982)

• Cable TV firms battle to win big city contract Pittsburgh Press (August 13, 1979)