NMLP P-041259 · Point of issue · minted 2026-07-19

Ethica (in Opera Posthuma)

Baruch Spinoza · Printed by Israël de Paull for Jan Rieuwertsz, Amsterdam · 1677

The defining point is what the title page does NOT say: it reads "B.d.S. Opera Posthuma, Quorum series post Praefationem exhibetur" with a woodcut device and the date MDCLXXVII, but names no author beyond the initials B.d.S., and gives no place of printing and no printer or bookseller

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New Mexico Literacy Project — Point of issue NMLP P-041259 for "Ethica (in Opera Posthuma)" by Baruch Spinoza (https://newmexicoliteracyproject.org/id/point/p-041259, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).