On the mode of communication of cholera / by John Snow.

London : John Churchill, 1849.

31 pages, 1 unnumbered page ; 25 cm (8vo)

Copy 2 Note: Lacks half-title. Signature of S.W.J. Merriman in t.p.

Copy 3 Note: MS inscription on half-title: 'Library of the Medical Society of London From the Author'. Medical Society of London shelfmarks on half-title and library stamp on t.p.