NMLP P-034272 · Point of issue · minted 2026-07-04

The Thundering Herd

Zane Grey · Harper & Brothers · 1925

First printing carries the Harper two-letter code L-Y on the copyright-page verso (first letter = printing month, so L = November; second letter = year, Y = 1924, printed ahead of 1925 publication)

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New Mexico Literacy Project — Point of issue NMLP P-034272 for "The Thundering Herd" by Zane Grey (https://newmexicoliteracyproject.org/id/point/p-034272, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).