Bibliografia Generale
- Rosengard, Duane - 1991
- Rosengard, Duane - 1991 (II)
- Rosengard, Duane - 1992
- Rosengard, Duane - 1992 (II)
- Rosengard, Duane - 1992 (III)
- Rosengard, Duane - 2000 (II)
- Rosengard, Duane - 2006
- Rosengard, Duane - 2010
- Rossi, Francesca - 1998
- Rossi, Francesca - 2003
- Rossi, Francesca - 2003 (II)
- Rossi, Marco - 2001
- Roth, Henry - 1988
- Roth, Henry - 1990
- Roug, Louise - 2003
- Rovini, Corrado - 1938
- Rudolph Wurlitzer Co. - 1917
- Rudolph Wurlitzer Co. - 1918
- Ruhe, Pierre - 1997
- Ruhe, Pierre - 2001