Encyclopédie méthodique

While Diderot and d'Alembert's original Encyclopédie organized articles alphabetically, the Encyclopédie méthodique reorganized its content by subject area, allowing readers to study an entire discipline in one section. It was initiated by publisher Charles-Joseph Panckoucke, with its first volumes appearing in 1782 as a structural revision of the original work.

The Encyclopédie méthodique was vastly larger than the original Encyclopédie it was based on, ultimately comprising well over 150 volumes across its various subject dictionaries by the time publication concluded. The work was issued over several decades, reflecting the enormous ambition of reorganizing all human knowledge by discipline.

The work was initiated by Charles-Joseph Panckoucke, a French publisher who had also been involved with the original Encyclopédie of Diderot and d'Alembert. After Panckoucke's death in 1798, the project was continued by his family and successors, extending publication into the 1830s.

The work was divided into subject-specific dictionaries covering areas such as mathematics, natural history, medicine, law, theology, fine arts, and geography. Each section was overseen by specialist editors, which was a key innovation that allowed expert-authored content organized by field rather than the generalist, alphabetical approach of the earlier Encyclopédie.