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File:Johann Stauffer Terz Guitar (c.1820-1830), Vienna Stauffer-style guitar by C. F. Martin, Sr. (1834-1835) - C.F. Martin Guitar Factory 2012-08-06 - 004 (clip).jpg - Wikimedia Commons
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File:Stauffer Style Guitar (1834) Christian Frederick Martin - Martin and Coupa Guitar (c.1835-1839) neck - C.F. Martin Guitar Factory 2012-08-06 - 006.jpg - Wikimedia Commons
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1820s Extremely Ornate (Likely Stauffer) Vienna Parlor Guitar (VIDEO! Work Done, Ready to Go) | Reverb
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File:Stauffer Martin (c.1838), Christian Frederick Martin, New York - Viennese Stauffer style early C. F. Martin guitar (vertical).jpg - Wikimedia Commons
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