NMLP P-035644 · Point of issue · minted 2026-07-09

On the Mode of Communication of Cholera

John Snow · John Churchill (London) · 1849

First edition, a slim octavo pamphlet of 31 pages per the National Library of Medicine's catalogued first-edition copy, setting out Snow's original hypothesis that cholera is transmitted through contaminated water rather than through 'miasma' (bad air)

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New Mexico Literacy Project — Point of issue NMLP P-035644 for "On the Mode of Communication of Cholera" by John Snow (https://newmexicoliteracyproject.org/id/point/p-035644, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).