NMLP P-030320 · True-first precedence · minted 2026-07-04

The Collected Poems

Sylvia Plath · Harper & Row · 1981

The US Harper & Row issue (1981) is taken as the first; the UK Faber edition is concurrent in the same year.

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New Mexico Literacy Project — True-first precedence NMLP P-030320 for "The Collected Poems" by Sylvia Plath (https://newmexicoliteracyproject.org/id/point/p-030320, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).