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Walter Tennyson Swingle

1897
Assistant Physiologist
Division Of Vegetable Physiology And Pathology United States Department Of Agriculture
1900
[position unknown]
Agricultural Dept Us
1899
[position unknown]
U.S. Department of Agriculture

1897
Botany
[role unknown]
1900
[subject unknown]
Investigator: Botany

1899
[subject unknown]
Corporation Member
1900
Cafrification, a Study in Symbiosis
Friday Evening Lecturer