NMLP P-020065 · True-first precedence · minted 2026-07-04

The Proving Trail

Louis L'Amour · Bantam Books · 1979

True first US edition is the Bantam paperback original; there is no earlier Doubleday or other hardcover to precede it.

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New Mexico Literacy Project — True-first precedence NMLP P-020065 for "The Proving Trail" by Louis L'Amour (https://newmexicoliteracyproject.org/id/point/p-020065, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).