Person
Leff, Samuel, 1909-1963.
Catalogue
- Books
From witchcraft to world health / by S. Leff and Vera Leff.
Leff, Samuel, 1909-1963.Date: 1958 [©1956]- Books
Recent outbreaks of infectious diseases / by S. Leff.
Leff, Samuel, 1909-1963.Date: 1957- Books
Social medicine / by S. Leff.
Leff, Samuel, 1909-1963.Date: [1953]- Books
The school health service / by S. Leff and Vera Leff.
Leff, Samuel, 1909-1963.Date: 1959- Books
The health of the people / [Samuel Leff].
Leff, Samuel, 1909-1963.Date: 1950