"On the Mode of Communication of Cholera just published"
(27 January 1855)
The advert for Snow's essay is the fourth one in the left column. It reads:
Just published, Second Edition. Illustrated with Maps, 8vo cloth, price 7s[hillings].
On the Mode of Communication of Cholera. By JOHN SNOW, M.D. The present Edition contains a full account of the recent outbreak of Cholera near Golden-square, and the Results of an Extended Inquiry, showing the Propagation of this Disease by means of Impure Water supplied to the South Districts of London.
London: John Churchill, New Burlington-street.