NMLP P-031618 · True-first precedence · minted 2026-07-04
...Y No Se Lo Tragó La Tierra first
Tomás Rivera · Quinto Sol · 1971
The 1971 Quinto Sol bilingual edition with the Herminio Ríos translation is the true first. The widely read Evangelina Vigil-Piñón English translation (Arte Público, 1987) is a later, separate translation and not the first edition.
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New Mexico Literacy Project — True-first precedence NMLP P-031618 for "...Y No Se Lo Tragó La Tierra first" by Tomás Rivera (https://newmexicoliteracyproject.org/id/point/p-031618, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).