NMLP P-000601 · True-first precedence · minted 2026-07-04
Three Act Tragedy (US: Murder in Three Acts)
Agatha Christie · Dodd, Mead and Company (true first); UK Collins Crime Club · 1934
The true first is the US Dodd, Mead edition (October 1934, as Murder in Three Acts), preceding UK Collins (January 1935) - an exception to the usual UK-first rule.
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New Mexico Literacy Project — True-first precedence NMLP P-000601 for "Three Act Tragedy (US: Murder in Three Acts)" by Agatha Christie (https://newmexicoliteracyproject.org/id/point/p-000601, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).