NMLP P-031923 · True-first precedence · minted 2026-07-04

Dragon's Teeth

Upton Sinclair · The Viking Press (New York) · 1942

US Viking 1942 true first, identified by the First Published in January 1942 statement with no further printing notices.

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New Mexico Literacy Project — True-first precedence NMLP P-031923 for "Dragon's Teeth" by Upton Sinclair (https://newmexicoliteracyproject.org/id/point/p-031923, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).