• 21
    a production of Passion Pictures, Thirteen and the BBC in association with WNET New York Public Media ; produced by David Allen.
    [Arlington, Va.] : PBS : PBS Distribution, c2011. Widescreen.
    DVD
    options Options

  • 22
    a production of Florentine Films and WETA Television ; written by Dayton Duncan ; produced by Dayton Duncan and Ken Burns.
    [United States] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, c2009.
    DVD
    options Options

  • 23
    a production of Florentine Films and WETA Television ; written by Dayton Duncan ; produced by Dayton Duncan and Ken Burns.
    [United States] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, c2009.
    DVD
    options Options

  • 24
    a production of Florentine Films and WETA Television ; written by Dayton Duncan ; produced by Dayton Duncan and Ken Burns.
    [United States] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, c2009. Widescreen.
    DVD
    options Options

  • 25
    a production of Florentine Films and WETA Television ; written by Dayton Duncan ; produced by Dayton Duncan and Ken Burns.
    [United States] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, c2009.
    DVD
    options Options

  • 26
    a production of Florentine Films and WETA Television ; written by Dayton Duncan ; produced by Dayton Duncan and Ken Burns.
    [United States] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, c2009. Widescreen ed.
    DVD
    options Options

  • 27
    a production of Florentine Films and WETA Television ; written by Dayton Duncan ; produced by Dayton Duncan and Ken Burns.
    [United States] : PBS Home Video ; Hollywood, Calif. : Distributed by Paramount Home Entertainment, c2009. Widescreen ed.
    DVD
    options Options

  • 28
    a BBC production ; Thirteen Productions LLC ; directors, Mark Wheeler, Will Ridgeon, Oli Sloane.
    [United States] : PBS, [2015]
    DVD
    options Options

  • 29
    a BBC/Discovery Channel co-production in association with Wanda Firms ; series producer, Karen Bass ; produced by Justin Anderson, Peter Bassett, Joe Stevens, Hugh Pearson and Jeff Turner.
    [United States] : BBC Earth ; [New York, NY] : Distributed by BBC Worldwide Americas ; Burbank, CA : Distributed by Warner Home Video, c2009.
    DVD
    options Options

  • 30
    A co-production of the Thirteen Productions LLC and BBC in association with WNET ; produced and directed by Rob Sullivan.
    DVD
    options Options

  • 31
    [Toronto, Ont.] : Canadian Broadcasting Corp., 2010 : CBC Learning [distributor] Widescreen.
    DVD
    options Options

  • 32
    [Toronto, Ont.] : Canadian Broadcasting Corp., 2010 : CBC Learning [distributor] Widescreen
    DVD
    options Options

  • 33
    [Toronto, Ont.] : Canadian Broadcasting Corp., 2012 : CBC Learning [distributor] Widescreen
    DVD
    options Options

  • 34
    [Toronto, Ont.] : Canadian Broadcasting Corp. , 2010 : CBC Learning [distributor] Widescreen
    DVD
    options Options

  • 35
    BBC ; John Downer Productions Ltd. ; producer, Philip Dalton ; series producer, John Downer.
    [Burbank, CA] : Warner Home Video Inc., [2014] Wide screen
    DVD
    options Options

  • 36
    WQED/Pittsburgh in association with National Academy of Sciences ; producer, Gregory Andorfer ; screenwriters, Gregory Andorfer, Georgann Kane.
    Pittsburg, PA : WQED : National Academy of Sciences, 1986.
    Videocassette
    options Options

  • 37
    WQED/Pittsburgh in association with National Academy of Sciences ; producer, Gregory Andorfer ; screenwriters, Gregory Andorfer, Georgann Kane.
    Pittsburg, PA : WQED : National Academy of Sciences, 1986.
    Videocassette
    options Options

  • 38
    WQED/Pittsburgh in association with National Academy of Sciences ; producer, Gregory Andorfer ; screenwriters, Gregory Andorfer, Georgann Kane.
    Pittsburg, PA : WQED : National Academy of Sciences, 1986.
    Videocassette
    options Options

  • 39
    WQED/Pittsburgh in association with National Academy of Sciences ; producer, Gregory Andorfer ; screenwriters, Gregory Andorfer, Georgann Kane.
    Pittsburg, PA : WQED : National Academy of Sciences, 1986.
    Videocassette
    options Options

  • 40
    2Entertain.
    Burbank, CA : Warner Home Video, c2007.
    DVD
    options Options

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