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Scientific study and exploration in early Texas
by Samuel Wood Geiser ..
Bok Engelsk 1939
The differential death-rate of the sexes among animals, with a suggested explanation
Geiser, Samuel Wood
Bok Engelsk 1924
Evidences of a differential death rate of the sexes among animals
Geiser, Samuel Wood
Bok Engelsk 1923
Notes relative to the species of Gambusia in the United States
Geiser, Samuel Wood
Bok Engelsk 1923