D:
DOE Office of Biological and Environmental Research (BER) - Advances environmental and biomedical knowledge that promotes national security through improved energy production, development, and use [U.S. Department of Energy (DOE), Office of Science (SC), Office of Biological and Environmental Research (BER)]

T:
The Nature and Science of Autumn: Science Reference Guide - A research and finding aid from the Science Reference Service at the Library of Congress [U.S. Library of Congress (LOC)]