NMLP P-019778 · True-first precedence · minted 2026-07-04

Callaghen

Louis L'Amour · Bantam Books · 1972

True first is the US Bantam paperback original of 1972; no hardcover precedes it.

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New Mexico Literacy Project — True-first precedence NMLP P-019778 for "Callaghen" by Louis L'Amour (https://newmexicoliteracyproject.org/id/point/p-019778, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).