Database of bibliographic, chemical, and crystallographic information for organic molecules and metal-organic compounds, provided by the Cambridge Crystallographic Data Centre, the world's repository of small molecule crystal structures.
Before 1000 BCE to the present. Catalog of millions of books, web resources, and other materials held in libraries worldwide, maintained by the Online Computer Library Center (OCLC). The best way to identify resources beyond Grinnell College's collections.
A search system created by the National Center for Biotechnology Information to search its major databases, including PubMed, Nucleotide and Protein Sequences, Protein Structures, Complete Genomes, Taxonomy, and others.
Provides access to water-resources data collected at nearly two million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands.