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Richard Jacob Weißgerber “Biedermeier“ Gitarre on OhGuitar.com
CHRISTOF HANUSCH – WEISSGERBER GITARREN
Richard Jacob Weissgerber 1916 - Vintage Guitar World
Koehn Guitars - 'Weissgerber 1937': Richard Jacob... | Facebook
Richard Jacob Weißgerber “Biedermeier“ Gitarre on OhGuitar.com
Ο χρήστης Siccas Guitars στο Twitter: "Richard Jacob “Weißgerber” was one of the most creative, innovative and certainly the most versatile guitar maker of the 20th century. Check this fine 1927 Simplicio