- Sourcery is a fantasy novel by British writer Terry Pratchett, the fifth book in his Discworld series, published in 1988.
- Gottfried Silbermann (Wikipedia)
Gottfried Silbermann (January 14, 1683 – August 4, 1753) was a German builder of keyboard instruments. He built harpsichords, clavichords, organs, and fortepianos; his modern reputation rests mainly on the latter two.