NMLP P-040629 · Point of issue · minted 2026-07-19

Deep Water

Patricia Highsmith · Harper & Brothers (New York) · 1957

Under the Harper code system in use from 1912, the first letter is the month and the second the year: G is 1957 and H is the eighth month, so "H-G" denotes an August 1957 printing, consistent with the 1957 title-page date

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New Mexico Literacy Project — Point of issue NMLP P-040629 for "Deep Water" by Patricia Highsmith (https://newmexicoliteracyproject.org/id/point/p-040629, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).