Columbia subject headings:
Piano makers--Germany--History--Sources.
Piano--Construction--Germany--History--Sources.
Schiedmayer, Johann David, 1753-1805.
Schiedmayer, Johann Lorenz, 1786-1860.
Harvard subject headings:
Piano makers--Germany--History--Sources.
Piano--Construction--Germany--History--Sources.
Schiedmayer, Johann David, 1753-1805.
Schiedmayer, Johann Lorenz, 1786-1860.
Princeton subject headings:
Piano makers--Germany--History--Sources.
Piano--Construction--Germany--History--Sources.
Schiedmayer, Johann David, 1753-1805.
Schiedmayer, Johann Lorenz, 1786-1860.