Author
Geological Society of America
3
American Association of Physics Teachers
2
American Institute of Physics
2
American Society of Naturalists
2
Consortium for Mathematics and Its Applications (U.S.)
2
Mineralogical Society of America
2
National Science Teachers Association
2
ACM Special Interest Group on Programming Languages
1
Amateur Weathermen of America,
1
American Association for Artificial Intelligence
1
American Association for the Advancement of Science
1
American Council of Science Teachers
1
American Geological Institute
1
American Institute of Biological Sciences
1
American Meteorological Society,
1
American Museum of Natural History
1
American Science Teachers Association
1
Association for Computing Machinery
1
Clay Minerals Society
1
Council on Undergraduate Research (U.S.),
1
Essex Institute
1
European Association for Geochemistry
1
Geochemical Society
1
Hunt, Walter Fred, 1882-
1
Illinois Association of Chemistry Teachers
1
Lockyer, Norman, Sir, 1836-1920,
1
Mathematical Association
1
Mathematical Association of America
1
Michels, John (Journalist),
1
Mineralogical Association of Canada
1
Mineralogical Society (Great Britain)
1
Mycological Society of America
1
National Association of Geoscience Teachers
1
National Audubon Society
1
National Council of Teachers of Mathematics
1
National Council of Teachers of Mathematics,
1
New York Botanical Garden
1
Pearl, Raymond, 1879-1940,
1
Rocky Mountain Association of Geologists
1
SEPM (Society for Sedimentary Geology)
1
Society for Industrial and Applied Mathematics
1
Society for Nutrition Education
1
Society of Economic Geologists (U.S.)
1
Society of Systematic Biologists
1
State University of New York at Stony Brook
1
Wilderness Society (U.S.),
1