Bibliografia Generale
- René Brancourt - 1913
- Renzi, Sergio - 1980
- Renzi, Sergio - 1990
- Rephann, Richard T. - 1988
- Reuning & Son - 2004
- Reuning & Son - 2008
- Reuning & Son - 2010
- Reuning & Son Violins - 2005
- Reuning & Son Violins - 2005 (II)
- Reuning & Son Violins - 2007
- Reuning, Christopher - 2007
- Reuning, Christopher - 2009
- Reuning, Christopher - 2010
- Rhein (von), John - 2003
- Riemann, Hugo - 1882
- Riley, Maurice W. - 1978
- Riley, Maurice W. - 1980
- Riley, Maurice W. - 1983
- Riley, Maurice W. - 1991
- Rinne, Rudolf - 1911