NMLP P-035541 · True-first precedence · minted 2026-07-09

Principles of Geology

Charles Lyell · John Murray (London) · 1830

Murray reprinted volumes I and II (dated 1832 and 1833) to accompany volume III's May 1833 debut, so a genuine first-edition set requires the original 1830 volume I and 1832 volume II paired with the 1833 volume III; a set in which the same year appears on two volumes signals a mixed reprint rather than three true first-issue volumes.

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New Mexico Literacy Project — True-first precedence NMLP P-035541 for "Principles of Geology" by Charles Lyell (https://newmexicoliteracyproject.org/id/point/p-035541, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).