Columbia subject headings:
Harpsichord makers--Germany.
Organ builders--Germany.
Stein, Johann Andreas, 1728-1792--Notebooks, sketchbooks, etc.
Harvard subject headings:
Harpsichord makers--Germany.
Organ builders--Germany.
Stein, Johann Andreas, 1728-1792--Notebooks, sketchbooks, etc.
Princeton subject headings:
Harpsichord makers--Germany.
Keyboard instruments--Design and construction--History--18th century.
Organ builders--Germany.
Stein, Johann Andreas, 1728-1792--Notebooks, sketchbooks, etc.