Constantin Pecqueur (1801–1887)
Archival location guide — where this economist’s surviving papers are held, their notable correspondents, and key published sources.

Born 1801 · died 1887
Charles Constantin Pecqueur was a French economist, socialist theoretician and politician. He participated in the Revolution of 1848 and influenced Karl Marx.
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Where the papers are held
The surviving papers of Constantin Pecqueur (1801–1887) are held at International Institute of Social History.
Holding institution(s) sourced from Wikidata — confirm current location and access arrangements with the archive before visiting.