NINTH TRIENNIAL REPORT
on
VACCINATION IN BENGAL
for the years
1911-12, 1912-13 and 1913-14.
by
MAJOR A. B. FRY, M.D., D.P.H., I.M.S.,
Officiating Sanitary Commissioner for Bengal.
CALCUTTA:
THE BENGAL SECRETARIAT BOOK DEPÔT.
1914.