NMLP P-035646 · Point of issue · minted 2026-07-09

On the Mode of Communication of Cholera

John Snow · John Churchill (London) · 1849

Snow's now-famous 'Broad Street pump' map of the 1854 Soho outbreak, engraved by Charles Cheffins, appears for the first time only in the greatly enlarged second edition of 1855 (162 pages), which also adds Snow's comparison of cholera death rates between the Southwark & Vauxhall and Lambeth water companies

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New Mexico Literacy Project — Point of issue NMLP P-035646 for "On the Mode of Communication of Cholera" by John Snow (https://newmexicoliteracyproject.org/id/point/p-035646, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).