classifications
| search classifications for: Silliman, Benjamin, Sr |
United States of America
General properties of the Earth, geophysics, geology, geochemistry, and specialists
Chemists, including physical, industrial, agricultural, analytical, (in)organic (but not biochemistry)
Educationalists, founders / leaders of educational institutions, trainers, teachers, popularizers, reformers, creators of teaching systems
Newspaper/magazine personalities - reporters, journalists, columnists, correspondents, editors, proprietors, reporters, publishers, magnates
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