NMLP P-031863 · True-first precedence · minted 2026-07-04

Foucault's Pendulum

Umberto Eco · Harcourt Brace Jovanovich (US) / Secker & Warburg (UK) · 1989

First English-language edition of Il pendolo di Foucault (Bompiani, Milan, 1988). The US Harcourt and UK Secker & Warburg editions both appeared in 1989 and are collected as parallel firsts; neither has clear precedence.

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New Mexico Literacy Project — True-first precedence NMLP P-031863 for "Foucault's Pendulum" by Umberto Eco (https://newmexicoliteracyproject.org/id/point/p-031863, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).