Columbia subject headings:
Kimball, William Wallace, 1828-1904.
Piano--Construction.
Piano--History.
W.W. Kimball and Company.
Harvard subject headings:
Kimball, William Wallace, 1828-1904.
Musical instrument makers--United States.
Organ (Musical instrument)--History
Piano--Construction
Piano--History
W.W. Kimball and Company.
Princeton subject headings:
Kimball, William Wallace, 1828-1904.
Piano--Construction.
Piano--History.
W.W. Kimball and Company.