More detailed information about stringed instruments and the history of violin making:
- The violin bow: a brief depiction of its history
- A guide to buying an instrument for our Swiss customers
- Hermann Richard Pfretzschner – a biographical sketch
- The violin bow: Practical tips on care, rehair and maintenance
- Violin makers and masters: archive "D-F"
- The bow makers of Markneukirchen: Knopf, Pfretzschner, Rau