1917 — Summer to Fall (especially), Excessive Heat, New York City (530), State of NY –665
–665 New York Dept. of Health. Thirty-Eighth Annual Report…for…1917. 1918, p 549.[1]
–530 New York City
Source
New York State Department of Health. Thirty-Eighth Annual Report of the State Department of Health of New York For the Year Ending December 31, 1917 (Vol. 1). Albany: J. B. Lyon Co., 1918. Google preview accessed 6-3-2018 at: https://books.google.com/books?id=XE49AQAAMAAJ&printsec=frontcover#v=onepage&q&f=false
[1] From: Table 23 — Number of deaths from each cause during 1917, in the entire State, New York city and rest of State, according to the detailed International List of causes of death.