Search
Search Results
- Publication:
- [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, [1971]
- Subject(s):
- American Native Continental Ancestry Group -- history
North America
South America
- Publication:
- Produced: [Washington, DC] : Organización Panamericana de la Salud, 1985
- Subject(s):
- Poliomyelitis -- prevention & control
Poliomyelitis -- history
Poliovirus Vaccines -- history
Disease Eradication -- history
North America
South America
Central America
- Author(s):
- Matthew, William Diller, 1871-1930, author
- Publication:
- [New York?] : [publisher not identified], [1910?]
- Subject(s):
- Biological Evolution
Fossils
Artiodactyla
North America