NMLP P-008031 · True-first precedence · minted 2026-07-04

The Roman Hat Mystery

Ellery Queen · Frederick A. Stokes (New York) · 1929

US Stokes 1929 is the true first; the UK Victor Gollancz edition of 1929 is a first-thus and follows the American printing.

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New Mexico Literacy Project — True-first precedence NMLP P-008031 for "The Roman Hat Mystery" by Ellery Queen (https://newmexicoliteracyproject.org/id/point/p-008031, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).