The Contraguitar or Schrammelgitarre | Il Teatro della Memoria
Contraguitar - Wikipedia
Women in Harp Guitar History: Schrammel Players | Gregg's Blogg
Schrammel guitar sound sample, P.A.N. Instruments | A promised video of 15-stringed Schrammel guitar, enjoy! PS The paintshop you see has not taken part in varnishing process 😉 | By P.A.N. instrumenty lutnicze | Facebook
Johann Gottfried Dunger Wiener Kontragitarre (Schrammelgitarre) - Vintage Guitar World
Liab' und Schneid's German Music (Volksmusik) Instruments