Apr 16, 2026 10:00 EST

Rare Books, Autographs & Maps

 
  Lot 44
 

44

The great Diderot Encyclopedia

Property from Historic Hudson Valley

DIDEROT, DENIS and D'ALEMBERT, JEAN LE ROND

Encyclopédie, ou dictionnaire raisonné des sciences, des arts et des métiers. Paris & Neuchâtel: 1751-77. First edition. Thirty-five large folio volumes bound (excepting one volume, see condition note) most in 18th-century French brown calf, spines gilt with raised bands. Consisting of: Encyclopédie, ou dictionnaire raisonné des sciences et et des métiers. Paris: 1751-57 & Neuchâtel, 1765. 17 volumes; Recueil de planches. Paris: 1762-72. Eleven volumes (1, 2 part I, 2 Part II, 3, 5, 6, 7, 8, 9, 10, 11). Supplément à l'Encyclopédie. Amsterdam: 1776-77. Five volumes, including the accompanying Suite de recueil de planches. Paris & Amsterdam: 1777; Table Analytique. Paris: 1780. 15 3/8 x 9 1/2 inches (39.5 x 25 cm); profusely illustrated with engraved plates. The bindings are attractive overall but with some degree of wear, a few scrapes etc., and some of the volumes differ in spine design or cover treatment (this is understandable in a set bound over many years, but in this case it may be indicative of an assembled set). One volume of the plates is in a later binding, which is worn. There are occasional pale damp stains, these generally marginal, and some worming to a small section of plates in the natural history volume. The plate of the flea is linen-backed. The set is sold as-is, not subject to return.

The Diderot Encyclopédie is one of the foremost documents of the French Enlightenment. It was the most ambitious work of its kind in the 18th century, and is considered "A monument in the history of European thought; the acme of the age of reason; a prime motive force in undermining the ancien regime and in heralding the French Revolution" (Printing in the Mind of Man, 200). Begun in 1745 as an effort to print a French edition of Chambers' 1728 English Cyclopedia, the scope of the work quickly expanded and caused a sensation, both in France as each volume was published. Despite efforts to suppress its publication, the work continued to be published by Le Breton until 1765, at which time it was handed to Panckoucke, who continued the work until its completion in 1780. Grolier/Horblit 25b; Norman 637; PMM 200.

Sold for $10,240
Estimated at $15,000 - $25,000

Includes Buyer's Premium


 

Property from Historic Hudson Valley

DIDEROT, DENIS and D'ALEMBERT, JEAN LE ROND

Encyclopédie, ou dictionnaire raisonné des sciences, des arts et des métiers. Paris & Neuchâtel: 1751-77. First edition. Thirty-five large folio volumes bound (excepting one volume, see condition note) most in 18th-century French brown calf, spines gilt with raised bands. Consisting of: Encyclopédie, ou dictionnaire raisonné des sciences et et des métiers. Paris: 1751-57 & Neuchâtel, 1765. 17 volumes; Recueil de planches. Paris: 1762-72. Eleven volumes (1, 2 part I, 2 Part II, 3, 5, 6, 7, 8, 9, 10, 11). Supplément à l'Encyclopédie. Amsterdam: 1776-77. Five volumes, including the accompanying Suite de recueil de planches. Paris & Amsterdam: 1777; Table Analytique. Paris: 1780. 15 3/8 x 9 1/2 inches (39.5 x 25 cm); profusely illustrated with engraved plates. The bindings are attractive overall but with some degree of wear, a few scrapes etc., and some of the volumes differ in spine design or cover treatment (this is understandable in a set bound over many years, but in this case it may be indicative of an assembled set). One volume of the plates is in a later binding, which is worn. There are occasional pale damp stains, these generally marginal, and some worming to a small section of plates in the natural history volume. The plate of the flea is linen-backed. The set is sold as-is, not subject to return.

The Diderot Encyclopédie is one of the foremost documents of the French Enlightenment. It was the most ambitious work of its kind in the 18th century, and is considered "A monument in the history of European thought; the acme of the age of reason; a prime motive force in undermining the ancien regime and in heralding the French Revolution" (Printing in the Mind of Man, 200). Begun in 1745 as an effort to print a French edition of Chambers' 1728 English Cyclopedia, the scope of the work quickly expanded and caused a sensation, both in France as each volume was published. Despite efforts to suppress its publication, the work continued to be published by Le Breton until 1765, at which time it was handed to Panckoucke, who continued the work until its completion in 1780. Grolier/Horblit 25b; Norman 637; PMM 200.

Auction: Rare Books, Autographs & Maps, Apr 16, 2026

  • Successful Auction of Rare Books, Autographs & Maps on April 16, 2026 Surpasses Expectations

  • Thomas Jefferson Letter Commenting on Toussaint Louverture Achieves $32,000

  • Consignments Are Currently Being Accepted for Future Auctions

  • We Invite You to Contact Us for Complimentary Auction Estimates of Your Collection


NEW YORK, NY – Doyle's auction of Rare Books, Autographs & Maps on April 16, 2026 saw international competition drive strong results throughout the sale and a total that surpassed expectations.

Thomas Jefferson Letter on Toussaint Louverture
Highlighting the sale was a fascinating 1802 letter from Thomas Jefferson as president to Maryland Governor John Francis Mercer that achieved a strong $32,000. The remarkable letter captures a rare, candid moment in which Jefferson assesses, with striking clarity, the arrest of Toussaint Louverture, a leader of the Haitian Revolution, by French General Charles LeClerc, Napoleon’s brother-in-law. Jefferson perceptively warned that LeClerc’s actions would erode trust and likely spark further racial conflict—an insight that proved remarkably accurate. Beyond its sharp political foresight, the letter reflects the broader anxiety the Haitian Revolution provoked in the United States, which contributed to decades of diplomatic isolation of Haiti.

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