AUSTRIAN PROMBERGER & SON GRAND PIANO, 19TH CENTURY – Arte Antiques & Fine Art Gallery
Belle Grove Plantation – The James Madison Museum
Pianos | Cornell Center for Historical Keyboards
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Chickering-Sons Grand-Baby Piano at A-1 Piano Sales & Rentals, Bellevue, WA | Seattle's Premier Piano Showroom
Bartolomeo Cristofori | Grand Piano | Italian (Florence) | The Metropolitan Museum of Art
Érard Frères 1802 owned by Anne Angélique de Mackau, Comtesse de Saint-Alphonse - Eric Feller Early Keyboard Instruments Collection
Babcock Square Piano – Duke University Musical Instrument Collections
Pianos | Cornell Center for Historical Keyboards
Frederick William Collard - Wikipedia
Golden Era Piano Museum. - Johan Georg Schultz square piano made in Hamburg, Germany. Sometime shortly after 1832 but before 1839. Johan Georg Schultz was born in 1797 and died in 1867.
Friedrich Bernhard Voigt | Upright Piano | German | The Metropolitan Museum of Art
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Early Pianomaking in Boston, 1790–1830 - Colonial Society of Massachusetts
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Our Collection of Historical Pianos | The Frederick Collection
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Our Collection of Historical Pianos | The Frederick Collection
Piano Info & Resources - PTG Main Site
Erard Grand Piano, ca. 1832 - Period Piano Company
SQUARE GRAND PIANO RESTORATION AND SALES ANTIQUE PIANOS
Grand piano S.6312MŁ – In museums
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