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LEWIS, Randy. Tuli Kupferberg dies at 86; founding member of the underground band the Fugs [online]. Los Angeles: Los Angeles Times, 2010-07-13 [cit. 2015-02-08]. Dostupné online. (anglicky)
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RATLIFF, Ben. Generations of Admirers Play Their Respects [online]. New York: The New York Times, 2010-01-25 [cit. 2015-02-08]. Dostupné online. (anglicky)
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Fugging Around [online]. Tablet, 2010-02-22 [cit. 2015-02-08]. Dostupné online. (anglicky)
WARNER, Simon. Tuli Kupferberg obituary [online]. London: The Guardian, 2010-07-26 [cit. 2015-02-08]. Dostupné online. (anglicky)
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KREPS, Daniel. Fugs Cofounder Tuli Kupferberg Dead at 86 [online]. Rolling Stone, 2010-07-12 [cit. 2015-02-08]. Dostupné v archivu pořízeném dne 2015-02-17. (anglicky)